Between the Enduro 3 and MARQ Athlete (Gen 2), the Enduro 3 comes out ahead in gps mode / smartwatch mode, while the MARQ Athlete (Gen 2) wins on ecg. Overall, the Enduro 3 scores 78.2 and the MARQ Athlete (Gen 2) scores 45.3 on our Mars Score.
Which should you buy?
The Enduro 3 is the clear pick on raw spec strength, leading by 32.9 points on the Mars Score. The margin is wide enough that the underdog only makes sense if its individual strengths line up with what you specifically need.
Pick the Enduro 3 if you care most about gps mode / smartwatch mode. The biggest gaps in its favor are gps mode, smartwatch mode, solar charging.
Pick the MARQ Athlete (Gen 2) if you care most about ecg. Its strongest claims are ecg.
Both ship with comparable multi-band gps, so those specs do not separate the two — focus on the differences below.
Bottom line: the Enduro 3 is the safer default. The other model is the right choice only when its specific advantages line up with your priorities.
Why Garmin - Enduro 3 wins
- ▲GPS mode — 966.67% more. 320 h vs 30 h.
- ▲Smartwatch mode — 125.00% more. 36 days vs 16 days.
- ▲Has Solar charging.
Why Garmin - MARQ Athlete (Gen 2) wins
- ▲Has ECG.
Spec comparison
GPS & Sensors
| Spec | Garmin - Enduro 3 | Garmin - MARQ Athlete (Gen 2) |
|---|---|---|
| Multi-band GPS | true | true |
| Barometric altimeter | true | true |
| Heart rate | true | true |
| ECG | false | truelead |
| Pulse Ox | true | true |
Battery
| Spec | Garmin - Enduro 3 | Garmin - MARQ Athlete (Gen 2) |
|---|---|---|
| Smartwatch mode | 36 dayslead | 16 days |
| GPS mode | 320 hlead | 30 h |
| Solar charging | truelead | false |
Design
| Spec | Garmin - Enduro 3 | Garmin - MARQ Athlete (Gen 2) |
|---|---|---|
| Case size | 51 mmlead | 46 mm |
| Weight | 63 glead | 92 g |
| Water resistanceⓘ | 10 ATM | 10 ATM |
Spec-level deep dives
More from the same brands
vsMars is reader-supported. When you buy through links on our site, we may earn an affiliate commission at no extra cost to you. Learn more.