Coros Vertix 2S vs Garmin Enduro 4
The two biggest names in ultra-endurance battery life. The Vertix 2S costs $200 less, while the Enduro 4 is 21 grams lighter and adds streaming music sync from Spotify and Amazon Music on top of Garmin's deeper ecosystem.
CorosCoros Vertix 2S
GarminGarmin Enduro 4
- •You want a top-tier endurance watch for $200 less
- •You're already in the Coros ecosystem and like its simpler training app
- •A lighter watch on your wrist matters over 50-mile and 100-mile efforts
- •You want streaming music sync and Garmin's wider app and accessory ecosystem
The Vertix 2S is aimed at ultrarunners and expedition athletes who need battery life measured in weeks, not days. It's showing its age against newer competitors, but the core training and navigation tools remain rock solid.
The Enduro 4 keeps the solar MIP screen and multi-week battery that made the Enduro line the default for ultra runners, then doubles storage to 64GB and adds grade-adjusted pace workouts, a pack weight setting for rucking, stamina zones, and Garmin Epic for logging multi-day efforts as one activity. Like the Enduro 3, it skips the speaker and mic, so there are no wrist calls, but if your races are measured in hours or days, this is the watch built for them.
*Estimated — this model's exact GPS battery life isn't published by the manufacturer. All figures are standard GPS mode, midsize case, no solar boost.
†Estimated — this model launched too recently to have an established customer rating yet.
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