Wear Radar

Polar Vantage VvsGarmin Forerunner 265

Polar Vantage V
Buy/Wait:bad

Late in cycle — a new model is likely coming

Best for: Serious endurance athletes — particularly runners and triathletes — who want Polar's unmatched training load science and recovery guidance, combined with ECG health monitoring and running power in a premium package.

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Garmin Forerunner 265
Buy/Wait:superseded

This model is no longer sold new. It has been replaced by the Garmin Forerunner 570.

Best for: Regular runners who race 5K to marathon distances and want accurate GPS and detailed training load management.

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Polar Vantage VGarmin Forerunner 265
TierSports GPSSports GPS
PlatformiOS & AndroidiOS & Android
Battery8 days13 days
Always-on display
GPS
Cellular
Health sensorsecg, hr, spo2, hrv, running power, skin temphr, spo2, hrv, stress, body battery, training readiness
ReleasedOct 4, 2023Mar 1, 2023
Cycle length1063 days806 days
Cycle advicebadsuperseded
Deals advicegoodclearance
Next modelPolar Vantage V4 (2026)

Why buy each?

Polar Vantage V

ECG on a sports GPS watch

Polar Vantage V3 is one of the few sports GPS watches with on-demand ECG — usually only found on lifestyle smartwatches.

Wrist-based running power

Running power measurement without a foot pod or chest strap — a significant training metric for pacing effort on hills and varied terrain.

Polar Training Load Pro

The most detailed training load analysis in any sports watch: muscle groups targeted per session, recovery status per muscle, and long-term load trends.

Garmin Forerunner 265

Multi-band GPS accuracy

L1+L5 multi-band GPS reduces position drift in urban canyons and dense forest.

Training readiness score

Daily score combining HRV status, sleep, acute load, and recovery time.

Race time predictor

Estimates finish time for 5K, 10K, half-marathon, and marathon based on current fitness.