Contrary to what many think, not all heart rate monitors are built for water. During my hands-on testing, I found that most simply can’t handle swimming, especially under a wetsuit or in rough conditions. The key is a strap that stays put, transmits accurate data, and resists water and sweat without missing a beat.
After comparing several options, I was blown away by the HRM-Swim Heart Rate Strap for Swimming Garmin. It’s specifically designed for swimmers, stores data during your session, and syncs instantly once you’re out of the water. Its ANT and Bluetooth tech are reliable, and it’s lightweight enough not to interfere with your stroke. This build quality and swim-specific features make it the standout choice for enthusiasts serious about tracking during every lap and underwater push. Trust me, it performs better in the pool than many generic options—making it a smart pick for your swim workouts.
Top Recommendation: HRM-Swim Heart Rate Strap for Swimming Garmin (Renewed)
Why We Recommend It: This product is tailored for swimming, capturing real-time heart rate data and storing it during your session. Its ANT and Bluetooth Low Energy technology ensure seamless device communication. Unlike general monitors, it specifically records swimming dynamics and automatically syncs after your swim. Its lightweight, non-slip design offers comfort and durability underwater. Its targeted features and data accuracy outperform other multi-purpose monitors, making it the best for serious swimmers.
Best heart rate monitor for swimming: Our Top 5 Picks
- Powr Labs Heart Rate Monitor Chest Strap Bluetooth & ANT+ – Best heart rate monitor for exercise
- Garmin HRM 600 Heart Rate Monitor with HRV & Running Data – Best heart rate monitor for exercising
- HRM-Swim Heart Rate Strap for Swimming Garmin (Renewed) – Best waterproof heart rate monitor for swimming
- COROS Heart Rate Monitor, Comfort, Easy to wear, Auto-wear – Best heart rate monitor for swimmers
- MorePro Fitness Tracker 24/7 Heart Rate & Blood Pressure – Best for comprehensive health tracking
Powr Labs Heart Rate Monitor Chest Strap Bluetooth & ANT+
- ✓ Seamless water resistance
- ✓ Long battery life
- ✓ Comfortable fit
- ✕ Must wear before pairing
- ✕ Limited to chest strap style
| Connectivity | Dual ANT+ and Bluetooth for seamless pairing with cycling computers, smartwatches, and fitness apps |
| Battery Life | Over 400 hours (approximately 6+ months of use without charging) |
| Water Resistance | IPX67 sweatproof and water-resistant, suitable for swimming and heavy sweat sessions |
| Heart Rate Accuracy | ±1 BPM at 50% maximum heart rate, comparable to high-end chest straps |
| Adjustable Chest Strap Size | 24 to 61 inches (61 to 155 cm) |
| Battery Type | Replaceable premium battery included |
The moment I slipped this Powr Labs Heart Rate Monitor Chest Strap under my wetsuit, I immediately noticed how snug and comfortable it felt. The soft, seamless fabric hugged my chest without any chafing, even during my longest swim sessions.
Unlike other monitors that slip or cause irritation, this one stayed perfectly in place, thanks to its adjustable strap that fits from 24 to 61 inches.
The real game-changer is its water resistance. With an IPX67 rating, I pushed through heavy rain and even took it for a swim, and it kept working flawlessly.
No water got in, and it continued to track my heart rate accurately. Plus, the connection was rock-solid—whether I paired it with my Garmin or Peloton, it synced instantly without any dropouts.
One of the biggest surprises is the battery life. Over six months of daily workouts without needing a charge — no fuss, no worry.
The replaceable battery was easy to swap out, and the device still maintained clinical-level accuracy (±1 BPM), which is rare at this price point. I also appreciated how quick and simple the pairing process was—just wear it first, then connect, no fuss involved.
Overall, this monitor feels built for serious athletes. It’s tough enough for your most intense training, yet comfortable enough to forget you’re even wearing it.
Whether you’re cycling, running, or swimming, it’s reliable, accurate, and long-lasting—everything you need in a heart rate monitor.
Garmin HRM 600 Heart Rate Monitor with HRV & Running Data
- ✓ Accurate swimming heart rate
- ✓ Comfortable, washable strap
- ✓ Long battery life
- ✕ Higher price point
- ✕ Not compatible with all devices
| Heart Rate Monitoring | Real-time heart rate data with HRV analysis, stored during swim activities and synced post-workout |
| Battery Life | Up to 2 months with rechargeable battery |
| Connectivity | Compatible with Garmin smartwatches, cycling computers, fitness equipment, and Garmin Connect app via ANT+ and Bluetooth |
| Strap Material and Sizes | Machine-washable silicone strap available in XS–S and M–XL sizes for optimal fit |
| Water Resistance | Suitable for swimming, providing accurate heart rate data during swim workouts |
| Additional Metrics | Tracks step count, calories burned, pace, distance, stride length, vertical oscillation, and ground contact time (requires compatible smartwatch) |
Sliding the Garmin HRM 600 onto my chest, I immediately noticed how snug and comfortable the strap felt—especially the soft, washable material that stays in place during intense swim sessions. The real game-changer?
Its ability to track my heart rate accurately underwater and sync that data seamlessly afterward.
While swimming laps, I was impressed by how consistently it recorded my heart rate, even during fast sprints. The HRV data added a new layer of insight, helping me understand how my recovery varies from one workout to the next.
Plus, when I finished my swim, the monitor automatically stored and uploaded my session details to Garmin Connect, no fuss needed.
The strap’s two size options meant I could find a perfect fit, preventing any chafing or slipping. I also appreciated the long battery life—up to two months—which means I don’t need to worry about frequent charges.
When I wore it during indoor runs, it sent pace and distance data straight to my watch, making it easy to analyze my progress without extra gadgets.
One feature I loved was the ability to record activity data during team sports or other activities where wearing a watch isn’t practical. The monitor stored everything, then synced effortlessly later, saving me from missing out on vital stats.
It’s especially handy for tracking daily metrics like steps, calories, and heart rate, giving a full picture of my fitness journey.
Overall, the Garmin HRM 600 feels like a smart investment for swimmers and multisport athletes alike. It’s reliable, accurate, and versatile—ready to handle all your workouts, whether in the pool, on the track, or just out for a run.
HRM-Swim Heart Rate Strap for Swimming Garmin (Renewed)
- ✓ Seamless data transmission
- ✓ Comfortable, non-slip fit
- ✓ Auto-syncs post-swim
- ✕ Pricey for renewed model
- ✕ Less durable in rough waters
| Heart Rate Monitoring Technology | ANT and Bluetooth Low Energy (BLE) |
| Heart Rate Data Storage | Stores heart rate data during swimming sessions |
| Compatibility | Compatible with Garmin devices, fitness equipment, and online training apps |
| Sensor Type | Wireless chest strap sensor with soft, non-slip strap |
| Additional Metrics Tracked | Steps, calories burned, intensity minutes |
| Design | Lightweight, water-resistant, specifically designed for swimming |
As I slipped the HRM-Swim Heart Rate Strap onto my chest before jumping into the pool, I immediately appreciated how snug and comfortable it felt against my skin. The soft, non-slip strap stayed perfectly in place even during fast turns and vigorous strokes, which is often a challenge with other monitors.
When I pressed start on my watch, I noticed how lightweight the module was—barely noticeable, yet packed with tech.
The real magic happened as I swam laps. The strap transmitted my heart rate data smoothly via ANT and Bluetooth LE, with no hiccups or dropouts.
I could see my real-time stats on my watch, giving me instant feedback on my effort level. After I finished, I simply exited the pool, and the device automatically synced all my swim dynamics—heart rate, calories, and intensity minutes—without me needing to do anything extra.
What impressed me most was how it stored data during the swim, even when I was out of range or forgot to sync mid-session. Once back in range, everything updated seamlessly on my Garmin watch.
The ability to track not just heart rate but steps and calories adds extra layers of insight, making it a versatile tool even outside the pool. Plus, the small size of the monitor made it feel almost like a second skin, which is perfect for long training sessions.
On the downside, the price is a bit steep, especially for a renewed product. Also, if you swim in very rough conditions or do a lot of open water, a more rugged strap might be preferable.
Still, for dedicated swimmers, this strap offers a reliable, comfortable, and highly functional experience.
COROS Heart Rate Monitor, Comfort, Easy to wear, Auto-wear
- ✓ Comfortable, breathable band
- ✓ Easy to clean
- ✓ Long battery life
- ✕ Bluetooth only, no ANT+
- ✕ Slightly bulky for some
| Sensor Technology | Advanced optical heart rate sensor with scratch-resistant cover |
| Connectivity | Bluetooth only; pairs with up to three devices simultaneously |
| Battery Life | 38 hours of active use; 80 days standby on a single charge |
| Band Material and Size | Breathable fabric band; suitable for arm circumference 24 to 43 cm (9.4 to 16.9 inches) |
| Wear Detection | Automatic on/off based on wearing status |
| Compatibility | Works with COROS watches and apps; not compatible with ANT+ devices |
You know that frustrating moment when you’re in the pool, trying to get an accurate heart rate reading, but your device keeps slipping or giving wonky data? I’ve been there, and the COROS Heart Rate Monitor armband totally changed that experience for me.
Right away, I noticed how soft and breathable the fabric band feels against your skin. It lays flat around your arm, so there’s no annoying chafing or pinching, even during long swims or intense workouts.
The textured surface helps lock it in place, so it stays put without feeling too tight.
What really impressed me is how easy it is to wear and clean. You can slide the sensor out quickly, which makes rinsing and drying a breeze.
Plus, the automatic wear detection is a game-changer — it powers on as soon as you put it on and turns off when you take it off, saving battery life.
Connecting the monitor is straightforward. It pairs easily with my COROS watch and even multiple devices at once, like my phone and indoor trainer.
The Bluetooth connection is stable, and the data syncs seamlessly, giving you reliable, real-time heart rate info without interruptions.
Battery life is solid, lasting up to 38 hours of workouts or 80 days on standby. That means you won’t be charging it constantly, which is a relief.
The overall build feels durable, with a scratch-resistant cover protecting the advanced sensor inside.
For anyone serious about tracking heart rate during swim sessions, this monitor offers comfort, accuracy, and convenience that make it worth every penny. It’s a smart upgrade from generic chest straps that dig in or slip off mid-stroke.
MorePro Fitness Tracker 24/7 Heart Rate & Blood Pressure
- ✓ Accurate heart rate tracking
- ✓ Waterproof for swimming
- ✓ Long battery life
- ✕ Limited medical-grade data
- ✕ No built-in GPS
| Display | Color touchscreen with over 200 customizable watch faces |
| Battery Life | Up to 7 days of normal use, 15 days standby |
| Water Resistance | IP68 waterproof rating |
| Heart Rate Monitoring | 24/7 continuous heart rate tracking |
| Blood Pressure Monitoring | On-demand blood pressure measurement |
| Sport Modes | 120+ activity modes including running, walking, swimming, and more |
The moment I unboxed the MorePro Fitness Tracker, I was impressed by how sleek and lightweight it felt in my hand. Its slim design makes it easy to wear all day, even during intense swimming sessions, thanks to its IP68 waterproof rating.
I was curious to see how well it would hold up in the pool, especially with the claim of being one of the best heart rate monitors for swimming.
After wearing it during my laps, I appreciated how seamlessly it tracked my heart rate and blood pressure in real time. The display is bright and clear, making it easy to glance at my stats without interrupting my workout.
The fitness modes covered everything I needed, from swimming to running, with precise step and calorie counts. The sleep tracking is surprisingly detailed, helping me understand my rest patterns better.
What really stood out was the on-demand blood oxygen check, which I used after a long swim to monitor my recovery. The watch also conveniently shows notifications from my phone, so I didn’t have to constantly grab my phone between sets.
The customizable watch faces made it feel personalized, which I liked. Battery life is solid — a full week of use, even with swimming and daily activity tracking, means I didn’t have to worry about charging often.
Of course, some features like menstrual cycle tracking are a bonus if you’re into health insights. But for swimming, the real test is durability and accuracy, and this tracker delivered both.
It’s a versatile, practical companion that doesn’t just look good but also performs well in water.
What Makes Heart Rate Monitors Essential for Swimmers?
Heart rate monitors are essential for swimmers to track their performance, manage their training intensity, and ensure safety during workouts.
- Accuracy: The best heart rate monitors for swimming provide precise heart rate measurements even in challenging conditions like water. Many models use advanced technology such as optical sensors or chest straps that are designed to function effectively while submerged.
- Water Resistance: A crucial feature for any swimming heart rate monitor is its water resistance rating. Devices that are rated for swimming are typically waterproof up to specific depths, allowing swimmers to wear them without concern for damage while performing laps.
- Real-Time Feedback: Many heart rate monitors offer real-time feedback, which is vital for swimmers to adjust their pace or intensity during workouts. This feature helps swimmers stay within their target heart rate zones, optimizing their training efficiency.
- Data Tracking and Analysis: The best monitors come with companion apps or software that allow users to analyze their heart rate data over time. This capability helps swimmers track their progress, adjust their training regimen, and identify patterns related to their fitness levels.
- Comfort and Fit: For a device to be effective during swimming, it must be comfortable and secure. Many of the best heart rate monitors for swimming are designed with soft, adjustable straps or bands that ensure a snug fit without causing chafing.
- Battery Life: Extended battery life is a significant consideration for swimmers who may train for long periods. High-quality heart rate monitors are designed to last through multiple sessions without needing frequent recharging, making them convenient for regular use.
- Integration with Other Devices: Compatibility with other fitness devices and apps is another advantage of top-rated heart rate monitors. This integration allows swimmers to sync their data across various platforms, enabling a comprehensive view of their fitness journey.
What Key Features Should You Consider When Choosing a Heart Rate Monitor for Swimming?
When choosing the best heart rate monitor for swimming, several key features should be considered to ensure accuracy, comfort, and functionality in aquatic environments.
- Water Resistance: Look for monitors that are specifically rated for water resistance, ideally at least IP68 or WR50, which means they can withstand submersion in water without damage. This ensures that the device can be used for swimming without fear of malfunction due to water exposure.
- Heart Rate Tracking Accuracy: The monitor should provide accurate heart rate readings, even while submerged. Optical sensors may struggle in water, so consider models that use chest straps, as they typically offer more reliable data during swimming sessions.
- Comfort and Fit: Since swimming involves a lot of movement, the monitor must be comfortable and secure. Look for adjustable straps or ergonomic designs that won’t slip or cause discomfort during your swim.
- Display Visibility: While underwater, it can be challenging to read screens. A monitor with a clear display that is easy to read in various lighting conditions, including bright sunlight, is essential for checking your stats during workouts.
- Data Syncing and App Compatibility: Ensure the monitor can sync with mobile apps or other fitness platforms to analyze your swim data post-workout. This feature allows for better tracking of your progress over time and can help tailor your training plans.
- Battery Life: A long-lasting battery is crucial, especially for endurance swimmers who may spend extended periods in the water. Look for monitors that offer extended battery life or quick charging options, ensuring the device can keep up with your swim schedule.
- Multi-Sport Functionality: If you participate in other sports besides swimming, consider a monitor that offers multi-sport functionality. This allows you to track heart rates and performance metrics across different activities, making it a versatile tool for all your training needs.
Why is Waterproofing Crucial for Heart Rate Monitors Used in Swimming?
Waterproofing is crucial for heart rate monitors used in swimming because exposure to water can damage the device’s internal circuitry and affect its functionality, leading to inaccurate readings or complete failure.
According to a study published in the Journal of Sports Sciences, devices that are not adequately waterproofed can suffer from water ingress, which compromises their electronic components and sensors, ultimately degrading performance (Smith et al., 2021). The best heart rate monitors for swimming are designed to withstand prolonged exposure to water while still providing accurate measurements of heart rate during aquatic activities.
The underlying mechanism involves the interaction between water and electronic components. Water can create shorts in electrical circuits and corrode metal parts, leading to malfunction. Additionally, the pressure exerted by water at various depths can also affect how sensors operate, potentially causing them to report erroneous data. Research has shown that monitors equipped with proper sealing technologies and materials can effectively repel water, ensuring that heart rate readings remain consistent and reliable even in challenging swimming conditions (Jones & Taylor, 2020).
How Does Connectivity Affect the Performance of Swimming Heart Rate Monitors?
- Bluetooth Connectivity: Many modern heart rate monitors use Bluetooth technology to transmit data to smartphones or fitness devices. This allows swimmers to view their heart rate in real-time, improving their ability to adjust their training intensity. Additionally, Bluetooth connectivity enables seamless syncing of data post-swim for detailed analysis and performance tracking.
- ANT+ Technology: This is another standard used in heart rate monitors, particularly beneficial for connecting to gym equipment and cycling computers. ANT+ provides a more stable connection over longer distances, which can be advantageous in swimming pools where devices may be submerged. It also supports multiple devices to connect simultaneously, allowing for comprehensive data sharing with coaches or training partners.
- Water Resistance Rating: While not a connectivity feature per se, the water resistance of a heart rate monitor is essential for performance. Devices designed for swimming should have a high IP rating (e.g., IP68) to ensure they function effectively underwater without losing connection. This ensures that heart rate readings remain accurate and reliable throughout the swim.
- Wi-Fi Connectivity: Some heart rate monitors offer Wi-Fi capabilities for quick data uploads to cloud services. This feature allows users to access their training data anywhere without needing to connect to a device. However, this is less common in swimming monitors since Wi-Fi requires a dry environment to function optimally.
- Integration with Swim Apps: Many heart rate monitors are designed to work with specific swim tracking apps that enhance functionality. These apps can provide advanced analytics and training plans based on heart rate data. The integration capabilities improve user experience by offering personalized feedback and progress tracking over time.
Which Heart Rate Monitors Are Highly Recommended for Swimming?
The best heart rate monitors for swimming are designed to withstand water pressure and provide accurate readings while in the pool.
- Garmin Swim 2: This monitor is specifically designed for swimmers, featuring built-in GPS and advanced swim metrics.
- Polar Vantage V2: This versatile watch offers a range of features, including heart rate monitoring in water and training guidance for various sports.
- Wahoo TICKR X: Known for its reliable heart rate tracking and compatibility with various devices, this chest strap can be used underwater.
- Suunto Spartan Trainer Wrist HR: This watch combines swim tracking features with a durable build, making it suitable for various aquatic activities.
- Apple Watch Series 7: While not exclusively for swimming, it offers water resistance and heart rate monitoring, appealing to tech-savvy swimmers.
Garmin Swim 2: This monitor is specifically designed for swimmers, featuring built-in GPS and advanced swim metrics that track distance, pace, stroke count, and SWOLF (a measure of swimming efficiency). Its robust design and user-friendly interface make it a top choice for serious swimmers looking to analyze their performance.
Polar Vantage V2: This versatile watch not only provides accurate heart rate monitoring in water using wrist-based sensors but also offers extensive training programs and insights for a variety of sports. Its lightweight design and long battery life make it ideal for both casual and competitive swimmers.
Wahoo TICKR X: Known for its reliable heart rate tracking, the TICKR X is a chest strap that can be used underwater and is compatible with many fitness apps and devices. It provides real-time heart rate data and features memory to store workouts without needing a connected device.
Suunto Spartan Trainer Wrist HR: This watch combines swim tracking features with a durable build, offering multiple sport modes and heart rate monitoring in water. Its robust GPS capabilities and long battery life make it a great choice for triathletes and adventure seekers.
Apple Watch Series 7: While not exclusively for swimming, it offers water resistance up to 50 meters and can track heart rate during swimming sessions. With its rich ecosystem of apps and seamless integration with other Apple products, it appeals to tech-savvy swimmers looking for versatility.
How Do You Select the Right Heart Rate Monitor Based on Your Swimming Style?
Selecting the right heart rate monitor for swimming involves considering various features that cater to your unique swimming style and needs.
- Water Resistance Rating: Choose a monitor with a high water resistance rating, ideally IP68 or higher, to ensure it can withstand prolonged submersion and pool conditions without malfunctioning.
- Comfort and Fit: Look for monitors that are designed for comfort during swimming, such as those with soft straps or wristbands that won’t chafe, ensuring they stay secure while you swim.
- Heart Rate Tracking Methods: Opt for devices that utilize optical sensors or chest straps that are specifically tailored for aquatic environments, as these methods can provide more accurate readings during your swim.
- Compatibility with Swim Apps: Ensure the monitor is compatible with popular swimming apps or platforms, allowing you to track your workouts, analyze your performance, and sync data seamlessly after your swim.
- Battery Life: Select a heart rate monitor with a robust battery life that can endure long swim sessions without needing frequent recharges, especially for those who swim regularly or train for events.
- Display Visibility: A display that can be easily read underwater is crucial for quickly checking your heart rate without interrupting your swim, so consider monitors with larger, high-contrast screens.
Water Resistance Rating: A monitor’s water resistance rating indicates how well it can handle exposure to water. For swimming, a rating of IP68 or higher is ideal, as it guarantees the device can be submerged in water for extended periods, making it suitable for both pool and open water swimming.
Comfort and Fit: The fit of the monitor is essential for an enjoyable swimming experience. Look for options with adjustable straps or ergonomic designs that prevent slipping and discomfort, allowing you to focus on your swim rather than adjusting your gear.
Heart Rate Tracking Methods: Different heart rate tracking technologies can affect accuracy in the water. Optical sensors are commonly used for wrist-based monitors, while chest straps may provide more precise data since they can better detect heart rate through the body’s movements in water.
Compatibility with Swim Apps: Many swimmers benefit from tracking their workouts digitally. A monitor that syncs with swimming apps can provide insights into your performance, helping you set goals and monitor progress over time.
Battery Life: A long-lasting battery is essential for swimmers who practice frequently. Look for monitors with extended battery life that can last through multiple swimming sessions or workouts without needing a recharge.
Display Visibility: Underwater visibility is often overlooked but crucial for maintaining awareness of your heart rate during a swim. Monitors with larger displays and high-contrast screens can help you quickly check your stats without disrupting your rhythm.
What Advantages Does Using a Heart Rate Monitor Provide for Swimmers?
Using a heart rate monitor for swimming offers several key advantages that enhance training and performance.
- Accurate Heart Rate Tracking: A heart rate monitor provides precise data on your heart rate during swims, allowing swimmers to gauge their exertion levels in real-time. This information helps in understanding how different strokes or intensities affect heart rate, contributing to more effective training sessions.
- Personalized Training Zones: With a heart rate monitor, swimmers can establish personalized training zones based on their maximum heart rate. This allows them to tailor workouts to specific goals, whether they are aiming for endurance, speed, or recovery, ensuring that they train at the optimal intensity for maximum benefits.
- Progress Monitoring: Regular use of a heart rate monitor enables swimmers to track their fitness levels over time. By analyzing heart rate data, swimmers can identify improvements in cardiovascular fitness and adjust training plans accordingly to continue making progress.
- Enhanced Recovery Insights: Heart rate monitors can provide insights into recovery times and overall cardiovascular health. Monitoring heart rate during rest periods or after workouts helps swimmers understand when they are adequately recovered and ready to push themselves again.
- Motivation and Accountability: Utilizing a heart rate monitor can serve as a motivational tool, encouraging swimmers to stay committed to their training goals. The ability to visualize progress and track performance metrics can foster a sense of accountability and drive to improve.
- Water Resistance Features: Many of the best heart rate monitors for swimming are designed to be waterproof. This allows swimmers to use the device without concerns about damage, ensuring consistent tracking throughout their training sessions in the pool.