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

    Category: Running Watches

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

    Expert Review

    Recently upgraded from my Apex 2 (which I used for 3+ years). Flashy! Better button and dial placement. Some new cool features like maps on a separate set of screens from the other metrics. Still super awesome user interface. (this is why I like Coros over some other watch brands)

    Recommended by Robyn Lesh

    Frequently asked questions

    What does Robyn Lesh say about the COROS APEX 4 White 42mm?

    Recently upgraded from my Apex 2 (which I used for 3+ years). Flashy! Better button and dial placement. Some new cool features like maps on a separate set of screens from the other metrics. Still super awesome user interface. (this is why I like Coros over some other watch brands)

    Why does Robyn Lesh recommend COROS?

    Robyn Lesh recommends the COROS COROS APEX 4 White 42mm for running watches. Recently upgraded from my Apex 2 (which I used for 3+ years). Flashy! Better button and dial placement. Some new cool features like maps on a separate set of screens from the other metrics. Still super awesome user interface. (this is why I like Coros over some other watch brands)

    Is the COROS APEX 4 White 42mm a good running watche?

    Yes — Robyn Lesh recommends the COROS APEX 4 White 42mm by COROS as their running watches pick. Recently upgraded from my Apex 2 (which I used for 3+ years). Flashy! Better button and dial placement. Some new cool features like maps on a separate set of screens from the other metrics. Still super awesome user interface. (this is why I like Coros over some other watch brands)

    View Robyn Lesh's expert gear recommendations on Rendezvu

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    COROS APEX 4 White 42mm by COROS — recommended by Robyn Lesh
    Wearables

    COROS APEX 4 White 42mm

    Robyn Lesh
    Robyn LeshRecommended in “CCC by UTMB”
    Recently upgraded from my Apex 2 (which I used for 3+ years). Flashy! Better button and dial placement. Some new cool features like maps on a separate set of screens from the other metrics. Still super awesome user interface. (this is why I like Coros over some other watch brands)
    Purchasing through this link directly supports Robyn
    Wearables

    COROS APEX 4 White 42mm

    Robyn Lesh
    Robyn LeshRecommended in “CCC by UTMB”
    Recently upgraded from my Apex 2 (which I used for 3+ years). Flashy! Better button and dial placement. Some new cool features like maps on a separate set of screens from the other metrics. Still super awesome user interface. (this is why I like Coros over some other watch brands)
    Purchasing through this link directly supports Robyn
    COROS APEX 4 White 42mm by COROS — recommended by Robyn Lesh

    This product is for…

    Trail runners and ultramarathon athletes who prioritize navigation, battery endurance, and training data over a large watch face. Smaller-wristed athletes are specifically called out as a good fit for the 42mm size.

    Worth noting…

    The 42mm size suits smaller wrists; those wanting a larger display should consider the bigger variant. Notes are overwhelmingly positive with no recurring criticism, so this reflects a one-sided sample.