Wear Radar

COROS VertixvsGarmin Forerunner 265

COROS Vertix
Buy/Wait:bad

Late in cycle — a new model is likely coming

Best for: Expedition athletes, mountaineers, and ultra-endurance competitors who do multi-day or multi-week events where charging is impossible. If you need GPS tracking for 140 continuous hours, no other watch comes close.

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Garmin Forerunner 265
Buy/Wait:bad

Late in cycle — a new model is likely coming

Best for: Regular runners who race 5K to marathon distances and want accurate GPS, detailed training load management, and long battery life. Multi-band GPS makes it particularly valuable for city runners or trail runners where single-band GPS loses accuracy.

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COROS VertixGarmin Forerunner 265
TierSports GPSSports GPS
PlatformiOS & AndroidiOS & Android
Battery140 days13 days
Always-on display
GPS
Cellular
Health sensorshr, spo2, hrv, training load, skin temphr, spo2, hrv, stress, body battery, training readiness
ReleasedOct 1, 2023Mar 1, 2023
Cycle length1095 days1188 days
Cycle advicebadbad
Deals advicegoodgood
Next modelCOROS Vertix 3 (2026 or 2027)

Why buy each?

COROS Vertix

140 hours of continuous GPS

No other GPS watch currently on the market delivers 140 hours of GPS tracking — enough for most ultra-endurance events and multi-day mountain traverses.

5-satellite dual-frequency system

GPS + GLONASS + Galileo + BeiDou + QZSS with dual-frequency reduces error in challenging terrain to near-meter precision.

Sapphire glass and titanium case

Military-grade scratch and impact resistance for the harshest environments: extreme altitude, cold, and sustained physical stress.

Garmin Forerunner 265

Multi-band GPS accuracy

L1+L5 multi-band GPS reduces position drift in urban canyons and dense forest — a meaningful upgrade over single-band watches for competitive runners.

Training readiness score

Daily score combining HRV status, sleep, acute load, and recovery time — tells you whether to train hard, easy, or rest on any given day.

Race time predictor

Estimates your finish time for 5K, 10K, half-marathon, and marathon based on your current fitness — useful for pacing race-day strategy.