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    Rendezvu
    On a mission to get more people to enjoy the outdoors© 2026
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    Brand: COROS

    Category: Running General

    Recommended by Mary Tyler, Trail Runner — San Jose, CA

    Highlights: long distance

    The APEX 4 by COROS is a premium multi-sport GPS watch designed for athletes who demand precision and performance. With advanced tracking features and a robust design, it empowers users to reach their fitness goals while providing real-time insights. 1. High-Resolution Touchscreen: A vibrant 1.5-inch display with a resolution of 240x240 pixels for clear visibility in all lighting conditions. 2. Multi-Sport Modes: Supports over 200 different sports, including running, cycling, swimming, and more, allowing for versatile training options. 3. Long Battery Life: Up to 30 hours of continuous GPS tracking and up to 100 hours in UltraMax mode, ensuring you stay powered during long adventures. 4. Advanced Heart Rate Monitoring: Equipped with a built-in optical heart rate sensor for accurate tracking of your heart rate during workouts. 5. Water Resistance: Rated at 5 ATM, making it suitable for swimming and water sports without worry. 6. Smart Notifications: Receive calls, texts, and app alerts directly on your wrist, keeping you connected while on the move. 7. Customizable Watch Faces: Personalize your watch with a variety of watch faces to match your style and preferences. The APEX 4 is ideal for serious athletes and fitness enthusiasts who engage in various sports and outdoor activities. It excels in environments ranging from urban running trails to open water swimming, making it perfect for training and competition alike. Designed for users of all skill levels, this watch is particularly beneficial for those looking to track their performance metrics and improve their training efficiency. Whether you're preparing for a marathon or enjoying a weekend hike, the APEX 4 is your reliable companion for every step of the journey.

    Price: $429 - $479

    Expert Review

    I chose Coros because the app interface is extremely intuitive, easy to use, and comes with a lot of great features. Not as "connected" as some other brands, but I like not having a supercomputer strapped to my arm all day. Love the realtime maps and navigation, and the battery life is superior. It also charges incredibly fast just in case you are in a pinch. All the features you really need and none of the ones you don't.

    Recommended by Mary Tyler

    Frequently asked questions

    What does Mary Tyler say about the APEX 4?

    I chose Coros because the app interface is extremely intuitive, easy to use, and comes with a lot of great features. Not as "connected" as some other brands, but I like not having a supercomputer strapped to my arm all day. Love the realtime maps and navigation, and the battery life is superior. It also charges incredibly fast just in case you are in a pinch. All the features you really need and none of the ones you don't.

    Rendezvu
    APEX 4 by COROS — recommended by Mary Tyler
    Misc

    APEX 4

    Mary Tyler
    Mary TylerRecommended in “Dirt Run Essentials”
    I chose Coros because the app interface is extremely intuitive, easy to use, and comes with a lot of great features. Not as "connected" as some other brands, but I like not having a supercomputer strapped to my arm all day. Love the realtime maps and navigation, and the battery life is superior. It also charges incredibly fast just in case you are in a pinch. All the features you really need and none of the ones you don't.
    Purchasing through this link directly supports Mary
    Misc

    APEX 4

    Mary Tyler
    Mary TylerRecommended in “Dirt Run Essentials”
    I chose Coros because the app interface is extremely intuitive, easy to use, and comes with a lot of great features. Not as "connected" as some other brands, but I like not having a supercomputer strapped to my arm all day. Love the realtime maps and navigation, and the battery life is superior. It also charges incredibly fast just in case you are in a pinch. All the features you really need and none of the ones you don't.
    Purchasing through this link directly supports Mary
    APEX 4 by COROS — recommended by Mary Tyler

    This product is for…

    Trail runners, ultramarathon athletes, and mountain sports enthusiasts who prioritize battery life, navigation, and clean data over smartwatch connectivity. The 42mm size is specifically noted as a good fit for smaller wrists.

    Worth noting…

    The Apex 4 adds a faster processor, sapphire glass, street-name maps with POIs, and button/dial improvements over the Apex 2. It does not reset during mid-activity charging and supports GPX file loading for race course navigation.

    Why does Mary Tyler recommend COROS?

    Mary Tyler recommends the COROS APEX 4 for running general. I chose Coros because the app interface is extremely intuitive, easy to use, and comes with a lot of great features. Not as "connected" as some other brands, but I like not having a supercomputer strapped to my arm all day. Love the realtime maps and navigation, and the battery life is superior. It also charges incredibly fast just in case you are in a pinch. All the features you really need and none of the ones you don't.

    Is the APEX 4 a good running general?

    Yes — Mary Tyler recommends the APEX 4 by COROS as their running general pick. I chose Coros because the app interface is extremely intuitive, easy to use, and comes with a lot of great features. Not as "connected" as some other brands, but I like not having a supercomputer strapped to my arm all day. Love the realtime maps and navigation, and the battery life is superior. It also charges incredibly fast just in case you are in a pinch. All the features you really need and none of the ones you don't.

    Is the APEX 4 good for long distance?

    Mary Tyler recommends it for long efforts: I chose Coros because the app interface is extremely intuitive, easy to use, and comes with a lot of great features. Not as "connected" as some other brands, but I like not having a supercomputer strapped to my arm all day. Love the realtime maps and navigation, and the battery life is superior. It also charges incredibly fast just in case you are in a pinch. All the features you really need and none of the ones you don't.

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    • Terignota Women's Tahoma Half Tight
    • Backcountry Salomon Quiver
    • Oakley Sutro Lite Prizm Sunglasses
    • HydraPak Velocity™ 1.5L

    View Mary Tyler's expert gear recommendations on Rendezvu