Coros Pace 3 vs Garmin Forerunner 165
Quick verdict

Choose the Coros Pace 3 if…
- You run trail and want multi-band GPS, maps and twice the battery for the same money
- You prioritise the sunlight readability of a MIP screen

Choose the Garmin Forerunner 165 if…
- You already use Garmin Connect and want to stay in that ecosystem
- You prefer the AMOLED display and want Garmin Pay on your wrist
For maximum autonomy on long ultras, Coros Pace 3 lasts longer in GPS mode. Only Coros Pace 3 brings onboard topo maps for navigation. Both sit in the same price segment, so let battery, weight and the feature you value most decide.
Coros Pace 3 or Garmin Forerunner 165? GPS battery (38 h vs 19 h), weight (39 g vs 39 g), maps and multi-band, with a clear verdict and a check of whether each lasts your whole race.
Pick by what you need
- If you need maps and navigation on your wrist → Coros Pace 3
- If you run ultras or very long outings (38 h of GPS) → Coros Pace 3
Radar: where each watch wins
Absolute 0–100 scale, no exaggerated gaps: a tie stays a tie. Coros Pace 3 leads on 4 of 6 axes.
| Axis | Coros Pace 3 | Garmin Forerunner 165 |
|---|---|---|
| GPS battery | 32/100 | 16/100 |
| Everyday battery | 80/100 | 37/100 |
| Lightness | 93/100 | 93/100 |
| Maps | 100/100 | 0/100 |
| Multi-band GPS | 25/100 | 0/100 |
| Display & extras | 0/100 | 50/100 |
GPS: 120 h = 100 · Weight: 35 g = 100, 95 g = 0 · Multi-band: by its battery (60 h = 100) · Display: AMOLED + music.
Spec-by-spec comparison
| Spec | Coros Pace 3 | Garmin Forerunner 165 |
|---|---|---|
| GPS battery | 38 h | 19 h |
| Multi-band battery | 15 h | – |
| Smartwatch | 24 days | 11 days |
| Weight | 39 g | 39 g |
| Maps | ✓ | – |
| Multi-band | ✓ | – |
| Music | – | – |
| Display | MIP | AMOLED |
| Price | Entry | Entry |
| Where to buy | View on Amazon(opens in a new tab) | 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.
CorosCoros Pace 3Trail 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.
View on Amazon(opens in a new tab)
GarminGarmin Forerunner 165Entry-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.
View on Amazon(opens in a new tab)Will it last your race? Real battery across 300 races
We estimated a mid-pack runner's finish time for every race in our calendar (distance, elevation and terrain) and added a 25% safety margin. Here's the result:
Coros Pace 3 lasts 276 of 300 races
Garmin Forerunner 165 lasts 224 of 300 races
We couldn't find that race in our calendar. Try another name or the town.
| Race | Battery needed | Coros Pace 3 | Garmin Forerunner 165 |
|---|---|---|---|
| Kangas Mountain58 km · 3500 m+ | 19 h | Lasts | Lasts |
| Ultra Trail Torla-Ordesa50 km · 4100 m+ | 19 h | Lasts | Lasts |
| Ultra Trail Gredos71 km · 2322 m+ | 20 h | Lasts | Dies |
| Allgäu Panorama Marathon69 km · 3200 m+ | 22 h | Lasts | Dies |
| Marbella Epic Trail65.89 km · 5068 m+ | 26 h | Lasts | Dies |
| Marathon du Mont-Blanc88 km · 5500 m+ | 28 h | Lasts | Dies |
| Costa Blanca Trails102 km · 6020 m+ | 34 h | Lasts | Dies |
| SaintéLyon160 km · 4200 m+ | 40 h | Dies | Dies |
Estimate for a mid-pack runner on the longest distance, standard GPS on ultras and multi-band on races under 12 h. Tap a race to see the watches we recommend for it.
Verdict
For maximum autonomy on long ultras, Coros Pace 3 lasts longer in GPS mode. Only Coros Pace 3 brings onboard topo maps for navigation. Both sit in the same price segment, so let battery, weight and the feature you value most decide.
Analysis: where they really differ
The most fought-over entry-level head-to-head, and it isn't as close as it looks. For a very similar price, the Coros Pace 3 offers dual-frequency multi-band GPS, onboard navigation maps, 38 h of GPS battery and a 39 g weight, with a transflective MIP display that reads perfectly in sunlight. The Garmin FR165 stays on single-band GPS, with no maps and 19 h of battery, but answers with an AMOLED display, the far more mature Garmin Connect ecosystem, Garmin Pay and broader third-party platform integration. For trail and mountain, the Pace 3 is objectively more watch: twice the battery, multi-band GPS and navigation. The FR165 wins if you live inside the Garmin ecosystem and prefer the AMOLED screen and wrist payments.
Choose the Coros Pace 3 if…
- You run trail and want multi-band GPS, maps and twice the battery for the same money
- You prioritise the sunlight readability of a MIP screen
- You don't rely on Garmin Pay or the Connect ecosystem
Choose the Garmin Forerunner 165 if…
- You already use Garmin Connect and want to stay in that ecosystem
- You prefer the AMOLED display and want Garmin Pay on your wrist
- You run mostly on road, where single-band GPS is fine
Frequently asked questions
Which lasts longer, Coros Pace 3 or Garmin Forerunner 165?
Which one is lighter?
Do both have onboard maps?
Which is better for trail running and ultras, Coros Pace 3 or Garmin Forerunner 165?
Can I listen to music without my phone?
More comparisons you might like
- See the three-way comparison: Coros Pace 3 vs Garmin Forerunner 165 vs Garmin Forerunner 265
- Garmin Forerunner 165 vs Garmin Forerunner 265
- Coros Apex 2 Pro vs Coros Pace 3
- Amazfit Cheetah Pro vs Coros Pace 3
- Coros Pace 3 vs Polar Pacer Pro
- Garmin Forerunner 165 vs Suunto 9 Peak Pro
- Garmin Forerunner 165 vs Polar Pacer Pro