Late in cycle — a new model is likely coming
Best for: Trail runners, hikers, and outdoor athletes who want Polar's analytics with significantly longer battery life than the Vantage V3. The titanium case and sapphire glass make it suitable for technical terrain where watch durability matters.
Full details →Early in release cycle
Best for: Competitive runners, triathletes, and ultramarathon runners who want the complete Garmin premium running analytics suite: ECG, full maps, running dynamics, Triathlon Coach, and the most durable build in the Forerunner line. Replaces the FR965 as Garmin's top running watch.
Full details →| Polar Grit X | Garmin Forerunner 970 | |
|---|---|---|
| Tier | Sports GPS | Sports GPS |
| Platform | iOS & Android | iOS & Android |
| Battery | 40 days | 15 days |
| Always-on display | ❌ | ❌ |
| GPS | ✅ | ✅ |
| Cellular | ❌ | ❌ |
| Health sensors | hr, spo2, hrv, running power | ecg, hr, spo2, hrv, stress, body battery, training readiness, running dynamics, skin temp |
| Released | Apr 11, 2024 | May 15, 2025 |
| Cycle length | 873 days | 806 days |
| Cycle advice | bad | good |
| Deals advice | good | neutral |
| Next model | — | — |
Five times the battery of the Vantage V3 — enough for week-long mountain stages or ultramarathons without charging access.
Automatically segments your run by uphill and downhill sections, calculating pace and power for each — essential for mountain race training.
Running power without a chest strap or foot pod — Polar's key differentiator versus Garmin at this price tier.
The FR970 is the first Forerunner with ECG and a built-in LED flashlight — plus a sapphire crystal lens and titanium DLC case for durability that rivals the Fenix 8.
Turn-by-turn navigation on preloaded worldwide TopoActive maps, combined with AI-powered Garmin Triathlon Coach structured training plans — a premium combination at any price.
Full biomechanics suite (cadence, vertical oscillation, ground contact time, running power) plus Garmin's most advanced heart rate sensor with skin temperature monitoring.