Best GPS watches for marathon and 10K 2026: comparison
Our picks by use case
Affiliate links: if you buy through them we earn a commission at no extra cost to you. It does not affect the ranking.
Our top pick#1 · Best OverallGarmin Garmin Forerunner 265View on Amazon (opens in a new tab)
#2 · Best PremiumGarmin Garmin Forerunner 965View on Amazon (opens in a new tab)
#3 · Best ValueCoros Coros Pace 3View on Amazon (opens in a new tab)
#4 · Best BudgetGarmin Garmin Forerunner 165View on Amazon (opens in a new tab)
How we choose
We compare every model on verified technical specs (weight, materials, price), user reviews and our own experience running and testing gear in races from 21K to 100K+. We update this guide when prices change or new models launch. Some links are affiliate links: if you buy through them, TrailRunTemple earns a commission at no extra cost to you and with no influence on the selection.
All products in this guide
Garmin
Garmin Forerunner 265
Running watch with AMOLED display, dual-frequency multi-band GPS and onboard music. 20 h in GPS mode (14 h multi-band) and 13 days in smartwatch mode, at 47 g. The perfect balance of accuracy, advanced metrics and price for training and racing from 10K to marathon.
Garmin
Garmin Forerunner 965
Premium running watch with a 1.4" AMOLED display, onboard topo maps, multi-band GPS and music. Up to 31 h in GPS mode (19 h multi-band) and 23 days in smartwatch mode, at just 53 g. Garmin's top running watch without the bulk of a Fenix: ideal for marathons and single-day ultras with accurate navigation.
Coros
Coros Pace 3
Trail running GPS watch with track navigation, barometric altimeter and up to 38 h battery life in GPS mode. Lightweight (39 g), accurate and with offline maps. Best value for mountain navigation.
Garmin
Garmin Forerunner 165
Entry-level running watch with a 1.2" AMOLED display, 19 h GPS battery and just 39 g. Training metrics, adaptive plans and accurate multi-GNSS GPS for training and racing marathons. Garmin's gateway watch for runners who don't need maps or multi-band.
For marathon, half marathon or 10K, battery stops being the problem: any current watch easily lasts your 3-5 hours in GPS. What really decides here is something else: GPS accuracy, display, weight and the quality of the training metrics that get you to race day in shape. This comparison picks the watches that best balance those four factors for road and fast-trail runners.
Battery & specs comparison
Tap a column to sort| Watch | 🔋 GPS battery ▾ | Multi-band | Smartwatch | Weight | Maps | Display | Actions |
|---|---|---|---|---|---|---|---|
GarminGarmin Forerunner 265 (opens in a new tab) | 20 h | 14 h | 13 days | 47 g | – | amoled | View on Amazon(opens in a new tab) |
GarminGarmin Forerunner 965 (opens in a new tab) | 31 h | 19 h | 23 days | 53 g | ✓ | amoled | View on Amazon(opens in a new tab) |
 SuuntoSuunto Race 2 (opens in a new tab) | 55 h | Yes | 18 days | 65 g | ✓ | amoled | View on Amazon(opens in a new tab) |
 AmazfitAmazfit Cheetah Pro (opens in a new tab) | 44 h | 26 h | 14 days | 43 g | ✓ | amoled | View on Amazon(opens in a new tab) |
CorosCoros Pace 3 (opens in a new tab) | 38 h | 15 h | 24 days | 39 g | ✓ | mip | View on Amazon(opens in a new tab) |
 CorosCoros Apex 2 Pro (opens in a new tab) | 66 h | 26 h | 21 days | 53 g | ✓ | mip | View on Amazon(opens in a new tab) |
GarminGarmin Forerunner 165 (opens in a new tab) | 19 h | – | 11 days | 39 g | – | amoled | View on Amazon(opens in a new tab) |
 PolarPolar Pacer Pro (opens in a new tab) | 35 h | – | 7 days | 41 g | – | mip | View on Amazon(opens in a new tab) |
GPS battery = each manufacturer's standard GPS mode; multi-band = dual-frequency (maximum accuracy). On Suunto, Polar Grit and Amazfit T-Rex the GPS figure already corresponds to dual-band mode. Figures verified against the manufacturer.
Head-to-head comparisons
- Garmin Forerunner 265 vs Garmin Forerunner 965See the head-to-head
- Garmin Forerunner 265 vs Suunto Race 2See the head-to-head
- Garmin Forerunner 265 vs Amazfit Cheetah ProSee the head-to-head
- Garmin Forerunner 265 vs Garmin Forerunner 165See the head-to-head
- Garmin Forerunner 265 vs Polar Pacer ProSee the head-to-head
- Garmin Forerunner 965 vs Amazfit Cheetah ProSee the head-to-head
- Garmin Forerunner 965 vs Coros Apex 2 ProSee the head-to-head
- Amazfit Cheetah Pro vs Coros Pace 3See the head-to-head
- Coros Pace 3 vs Coros Apex 2 ProSee the head-to-head
- Coros Pace 3 vs Garmin Forerunner 165See the head-to-head
- Coros Pace 3 vs Polar Pacer ProSee the head-to-head
- Garmin Forerunner 165 vs Polar Pacer ProSee the head-to-head
What matters in a marathon watch
Multi-band GPS and accuracy
In the city, between tall buildings, or under dense tree cover, dual-frequency (multi-band) GPS is the difference between a clean track and one that “jumps”. To chase a PB you want reliable distances and paces: the Forerunner 265, the 965, the Suunto Race 2 and the Amazfit Cheetah Pro all have it. The Forerunner 165 and the Polar Pacer Pro skip multi-band to keep the price down.
AMOLED display
At marathon pace you want to read your data at a glance. AMOLED displays (265, 965, Race 2, Cheetah Pro) are sharp and bright even in full sun. The Coros Pace 3 uses MIP: less vivid but perfectly legible and with more battery life.
Weight and metrics
Below 50 g you don’t even feel the watch on your wrist: the Pace 3 (39 g) and the Pacer Pro (41 g) are the lightest. On the training-platform front, Garmin (Training Readiness, load) and Polar (Flow, running power) lead; Coros and Amazfit cover the essentials for less money.
Our recommendations by profile
- Best Overall — Garmin Forerunner 265. The running sweet spot: AMOLED, multi-band, music and all of Garmin’s metrics at a reasonable price.
- Best Premium — Garmin Forerunner 965. If you also run trail with navigation, it adds onboard maps and more battery without a weight penalty.
- Best Value — Coros Pace 3. 39 g, multi-band, maps and 38 h of battery at an entry price. Hard to ask for more for the money.
- Best Budget — Garmin Forerunner 165. The gateway to Garmin with AMOLED and adaptive metrics, ideal for your first marathon.
If you run on the road and want a single safe pick, the Forerunner 265. If budget is tight, the Pace 3 gives you 90% for half the price.
Other guides you might find useful
Races where you'll need this gear
Zegama-Aizkorri
42K and VK through the Aizkorri range — the most legendary skyrunning race in Spain
Read more →
Anaga Maratón
Canary Islands Skyrunning season finale: K30 with 2,055m D+ and KVertical in Anaga, Tenerife
Read more →
Ibiza Trail Maratón Festival
48K, 28K, and 11K through the trails and beaches of Ibiza — the premier trail festival in the Balearics
Read more →
Calamorro Skyrace
30K skyrace with 2,200m D+ through the mountains of Benalmadena (Malaga)
Read more →
Marató dels Dements
42.5K and 22.5K through the Sierra de Espadán — Skyrunner World Series Final
Read more →