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    Rendezvu
    On a mission to get more people to enjoy the outdoors© 2026
    RendezvuAboutFor HostsFor BrandsFor Shoppers
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    ResourcesDocsContactFeedback
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    Brand: COROS

    Category: Running Heart Rate Monitors

    Recommended by Robyn Lesh, Pro Trail Running Athlete — South Western Colorado

    Highlights: comfortable

    The COROS Heart Rate Monitor in vibrant yellow is designed for active individuals seeking precise heart rate tracking during workouts. With its extended battery life and comfortable fit, it ensures you can focus on your performance without distractions. 1. Continuous heart rate monitoring for over 38 hours, providing reliable data throughout your activities. 2. Lightweight and ergonomic design, ensuring comfort during extended wear for various sports and exercises. 3. Bluetooth connectivity for seamless integration with smartphones and fitness apps, enhancing your tracking experience. 4. Water-resistant construction, making it suitable for use in diverse weather conditions and during intense workouts. 5. User-friendly interface that allows for easy access to heart rate data and workout summaries. 6. Compatible with a wide range of fitness devices, allowing for versatile training setups. 7. Bright yellow color for high visibility, adding a stylish touch to your fitness gear. The COROS Heart Rate Monitor is ideal for fitness enthusiasts and athletes looking to optimize their training sessions. It performs best in various environments, from outdoor runs to indoor gym workouts, making it versatile for all seasons. Whether you're a beginner or an experienced athlete, this monitor excels in providing accurate heart rate data, helping you achieve your fitness goals effectively.

    Price: $79

    Expert Review

    SO comefy and effective. I got my coros arm band when I wanted a backup for my chest strap monitor. (like three years ago) And I never went back. Slight (~1sec) delay from chest strap (because the arm band is optical vs. detecting the heart's electrical activity) but the numbers line up and the arm band is so so much more comfortable that the slight delay is absolutely worth it.

    Recommended by Robyn Lesh

    Frequently asked questions

    What does Robyn Lesh say about the COROS Heart Rate Monitor?

    SO comefy and effective. I got my coros arm band when I wanted a backup for my chest strap monitor. (like three years ago) And I never went back. Slight (~1sec) delay from chest strap (because the arm band is optical vs. detecting the heart's electrical activity) but the numbers line up and the arm band is so so much more comfortable that the slight delay is absolutely worth it.

    Why does Robyn Lesh recommend COROS?

    Robyn Lesh recommends the COROS COROS Heart Rate Monitor for running heart rate monitors. SO comefy and effective. I got my coros arm band when I wanted a backup for my chest strap monitor. (like three years ago) And I never went back. Slight (~1sec) delay from chest strap (because the arm band is optical vs. detecting the heart's electrical activity) but the numbers line up and the arm band is so so much more comfortable that the slight delay is absolutely worth it.

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    COROS Heart Rate Monitor by COROS — recommended by Robyn Lesh
    Wearables

    COROS Heart Rate Monitor

    Robyn Lesh
    Robyn LeshRecommended in “CCC by UTMB”
    SO comefy and effective. I got my coros arm band when I wanted a backup for my chest strap monitor. (like three years ago) And I never went back. Slight (~1sec) delay from chest strap (because the arm band is optical vs. detecting the heart's electrical activity) but the numbers line up and the arm band is so so much more comfortable that the slight delay is absolutely worth it.
    Purchasing through this link directly supports Robyn
    Wearables

    COROS Heart Rate Monitor

    Robyn Lesh
    Robyn LeshRecommended in “CCC by UTMB”
    SO comefy and effective. I got my coros arm band when I wanted a backup for my chest strap monitor. (like three years ago) And I never went back. Slight (~1sec) delay from chest strap (because the arm band is optical vs. detecting the heart's electrical activity) but the numbers line up and the arm band is so so much more comfortable that the slight delay is absolutely worth it.
    Purchasing through this link directly supports Robyn
    COROS Heart Rate Monitor by COROS — recommended by Robyn Lesh

    This product is for…

    Runners, cyclists, and multi-sport athletes who want accurate HR data without a chest strap—especially those who've had chafing, comfort, or reliability issues with chest straps. Data-focused athletes tracking effort across long or varied training are the core audience.

    Worth noting…

    Tattoos can interfere with optical accuracy, and hosts note a lifespan of roughly 24 months. Not suitable where instant HR response at the start of an effort is critical.

    Is the COROS Heart Rate Monitor a good running heart rate monitor?

    Yes — Robyn Lesh recommends the COROS Heart Rate Monitor by COROS as their running heart rate monitors pick. SO comefy and effective. I got my coros arm band when I wanted a backup for my chest strap monitor. (like three years ago) And I never went back. Slight (~1sec) delay from chest strap (because the arm band is optical vs. detecting the heart's electrical activity) but the numbers line up and the arm band is so so much more comfortable that the slight delay is absolutely worth it.

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    View Robyn Lesh's expert gear recommendations on Rendezvu