Heart Rate Monitors for Endurance Training

Garmin fenix 7X Pro Sapphire Solar Edition 51mm GPS Smartwatch

163 reviews

SKU: GRMF7XWGB

~~$999.99~~ Save: $500.04 (50%)

^$499.95

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In Stock

DESCRIPTION

A durable GPS smartwatch with sapphire solar charging, long battery life, advanced training metrics, and LED flashlight.

Pros

Well-designed
Long battery life
Convenient features
Durable
Accurate tracking

Garmin Forerunner 165 GPS Smartwatch

41 reviews

SKU: GRMF165SBSG

^$249.99

+ wishlist

In Stock

DESCRIPTION

A lightweight, GPS smartwatch with a brilliant AMOLED touchscreen display, built-in activity profiles, and smart notifications.

Pros

Lightweight and trim design
Efficient and reliable with no crashes
Accurate and suitable for various activities
Brilliant AMOLED touchscreen display
Long battery life and useful features

Garmin Forerunner 165 Music GPS Smartwatch

24 reviews

SKU: GRMF165MSBSG

^$299.99

+ wishlist

In Stock

DESCRIPTION

A lightweight, unisex smartwatch with built-in GPS, heart rate monitor, AMOLED display, and music streaming capabilities.

Pros

Music streaming capabilities
Good value for the price
Great running watch
User-friendly interface
Accurate tracking

Garmin Instinct 3 50mm Solar GPS Smartwatch

SKU: GRM2E50SWTSN

^$449.99

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In Stock

DESCRIPTION

A rugged unisex GPS smartwatch with solar charging, rubber band, heart rate monitoring, and built-in flashlight.

Garmin fenix 8 AMOLED GPS Smartwatch with HRM 600 Heart Rate Monitor

SKU: GRMF8AGSK

^$1169.98

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In Stock

DESCRIPTION

A digital GPS sports watch with AMOLED display, rubber band, and advanced heart rate monitoring features.

Suunto Smart Heart Rate Belt

SKU: SNTSHRBELT

^$79

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In Stock

DESCRIPTION

A comfortable and accurate heart rate monitor belt for multisport athletes, compatible with Suunto watches.

Coros APEX 2 GPS Outdoor Watch with Nylon Band

SKU: CRSAPX2BLK

^$349

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In Stock

DESCRIPTION

A rugged digital GPS sports watch with a titanium bezel, sapphire glass, and durable nylon band.

Coros APEX 2 Pro GPS Outdoor Watch with Nylon Band

SKU: CRSAPX2PBLK

^$449

+ wishlist

In Stock

DESCRIPTION

A rugged digital GPS sports watch with titanium bezel, nylon band, advanced heart rate sensor, and water resistance.

Garmin fenix 8 Solar Sapphire GPS Smartwatch with HRM 600 Heart Rate Monitor

SKU: GRMF8SK

^$1269.98

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In Stock

DESCRIPTION

A titanium digital GPS sports watch with rubber band, solar charging, and advanced heart rate monitoring.

Garmin tactix 8 AMOLED Tactical GPS Smartwatch with HRM 600 Heart Rate Monitor

SKU: GRMTXK

^$1469.98

+ wishlist

In Stock

DESCRIPTION

A digital GPS sports watch with AMOLED display, rubber band, and advanced heart rate monitoring.

Garmin Lily 2 Active Sport GPS Smartwatch

SKU: GRML2ASP

~~$299.99~~ Save: $50 (17%)

^$249.99

+ wishlist

In Stock

DESCRIPTION

A stylish smartwatch with GPS, heart rate tracking, and a 9-day battery, available in silicone bands.

Garmin Forerunner 970 GPS Smartwatch with HRM 600 Heart Rate Monitor

SKU: GRMFR970G

^$919.98

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In Stock

DESCRIPTION

A premium GPS smartwatch with titanium bezel, sapphire lens, AMOLED display, and advanced heart rate monitoring.

Suunto Run Sports Watch

SKU: SNTRUNSTBLK

^$249

+ wishlist

In Stock

DESCRIPTION

A lightweight unisex sports watch offering GPS, heart rate monitoring, and up to 20-hour battery life.

Garmin Forerunner 570 47mm GPS Smartwatch with HRM 600 Heart Rate Monitor

SKU: GRMFR57047K2

^$719.98

+ wishlist

In Stock

DESCRIPTION

A unisex digital GPS sports watch with rubber band and integrated heart rate monitoring for active lifestyles.

Garmin Forerunner 570 42mm GPS Smartwatch with HRM 600 Heart Rate Monitor

SKU: GRMFR57042B3

^$719.98

+ wishlist

In Stock

DESCRIPTION

A unisex digital GPS sports watch with rubber band and integrated heart rate monitor for active lifestyles.

Garmin fenix 8 Sapphire GPS Smartwatch with HRM 600 Heart Rate Monitor

SKU: GRMF8SGSB

^$1269.98

+ wishlist

In Stock

DESCRIPTION

A digital GPS sports watch with sapphire glass, rubber band, and advanced heart rate monitoring features.

Garmin Instinct 2X Solar Standard Edition 50mm Rugged GPS Smartwatch

372 reviews

SKU: GRMI2XSBK

^$499.99

+ wishlist

In Stock

DESCRIPTION

A rugged GPS smartwatch with unlimited battery life and built-in sports apps.

Pros

Long battery life
Useful features (health tracking, GPS, reminders, etc.)
Rugged and durable design
Solar charging feature
Comfortable fit

Garmin fenix 7X Pro Solar Edition 51mm GPS Smartwatch, Slate Gray with Black Band

23 reviews

SKU: GRMF7XPWGB

~~$899.99~~ Save: $480 (53%)

^$419.99

+ wishlist

In Stock

DESCRIPTION

A rugged black and grey digital smartwatch with solar charging, advanced GPS, health tracking, and a durable rubber band.

Pros

Accurate and reliable GPS
Wide range of advanced features
Exceptional battery life
Rugged and durable design
Comprehensive fitness and health tracking

Garmin Venu 3S 41mm GPS Smartwatch

13 reviews

SKU: GRMV3SGDR

~~$449.99~~ Save: $100 (22%)

^$349.99

+ wishlist

In Stock

DESCRIPTION

A unisex GPS smartwatch with a bright touchscreen display, long battery life, and advanced fitness features.

Garmin Lily 2 Classic Sport GPS Smartwatch

13 reviews

SKU: GRML2CWCG

~~$299.99~~ Save: $50 (17%)

^$249.99

+ wishlist

In Stock

DESCRIPTION

A fashionable GPS smartwatch with a patterned lens, heart rate monitoring, and 5-day battery life.

Scubapro Digital Heart Rate Belt

2 reviews

SKU: SCPDHRB

^$149

+ wishlist

In Stock

DESCRIPTION

A must-have for serious divers, the Scubapro Digital Heart Rate Belt measures and records heartbeat at depths up to 394'.

Garmin fenix 8 Solar Sapphire GPS Smartwatch

1 reviews

SKU: GRMF8S47MYLW

^$1099.99

+ wishlist

In Stock

DESCRIPTION

A rugged multisport GPS smartwatch with solar charging, dive capability, and advanced health and fitness features.

Garmin fenix 8 Sapphire GPS Smartwatch

1 reviews

SKU: GRMF847MSBLK

^$1099.99

+ wishlist

In Stock

DESCRIPTION

A rugged, multisport GPS smartwatch with advanced strength training, dive capability, and 24/7 health features.

Garmin Lily 2 Sport GPS Smartwatch

1 reviews

SKU: GRML2WML

~~$249.99~~ Save: $50 (20%)

^$199.99

+ wishlist

In Stock

DESCRIPTION

A stylish, small smartwatch with a patterned lens, long battery life, and health monitoring capabilities.

Garmin Forerunner 570 42mm Advanced GPS Running Smartwatch

1 reviews

SKU: GRMFR57042GR

^$549.99

+ wishlist

In Stock

DESCRIPTION

An advanced unisex GPS smartwatch with a bright AMOLED display, aluminum bezel, and rubber band for multisport training.

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Heart Rate Monitors For Endurance Training

For endurance athletes, heart rate monitors have become more than just a training accessory—they are essential companions that help transform raw effort into measurable progress. Whether you’re lacing up for a frosty January morning run, grinding through hours on a bike trainer, or logging long swims at the indoor pool, a reliable heart rate monitor provides the real-time data needed to fine-tune your training and maximize every session. These devices come in a variety of formats, from classic chest straps known for their ECG-grade accuracy to innovative optical sensors that can be worn on the arm, temple, or wrist. Endurance training is all about managing intensity and maintaining the delicate balance between pushing limits and preventing overtraining, and a quality heart rate monitor helps you stay in the optimal zone—whether you’re building an aerobic base or peaking for a spring marathon. The winter months are a prime time to lay down the groundwork for the competitive season ahead, making now an ideal moment to invest in technology that supports structured, data-driven workouts.

Choosing the right heart rate monitor for endurance training depends on your sport, training environment, and personal preferences. For athletes who demand the highest level of accuracy—such as competitive runners, cyclists, or triathletes—chest strap monitors remain the gold standard. Their direct measurement of electrical signals from the heart delivers precise readings, even during intense intervals or when sweat and movement would challenge other sensors. These chest straps often feature robust battery life, sometimes lasting months or even years on a single replaceable battery, and they connect seamlessly to watches, bike computers, and popular training apps via Bluetooth or ANT+. On the other hand, optical sensors worn on the arm or wrist offer unmatched versatility and comfort, making them a favorite for multisport athletes or those who find chest straps restrictive. Many of these optical monitors can store workout data independently, a handy feature for swimmers or for athletes who prefer to leave their phones or watches behind. For those who crave all-in-one convenience, GPS watches with integrated heart rate tracking combine mapping, advanced metrics, and heart rate analysis in a single device—ideal for tracking long winter trail runs or mapping new cycling routes as the days slowly lengthen.

Heart rate monitors also make thoughtful gifts for endurance athletes at any level, from the friend training for their first half marathon to the seasoned cyclist chasing a new PR. They’re equally valuable for coaches looking to monitor a team’s progress, or for anyone returning to sport after injury and needing to carefully control intensity. As you consider how to choose heart rate monitors for endurance athletes, think about the types of activities the device will support, the importance of data accuracy, and whether features like memory storage, long battery life, or multi-sport compatibility are must-haves. The ability to set and track multiple heart rate zones ensures that your training is both efficient and safe, helping you avoid the pitfalls of overtraining while steadily building endurance and resilience. For those whose training spans both endurance and strength disciplines, you may also want to explore our dedicated collection of Heart Rate Monitors For Strength Training to find the perfect complement to your workout routine. No matter your sport or season, the right heart rate monitor empowers you to train smarter, recover better, and reach new heights in your endurance journey.