Ultralight GPS Watch Built for Distance
The COROS APEX 2 strips away touchscreens and notifications to focus on what matters: tracking your ruck miles with battery life that lasts through multi-day events. At 0.09 pounds, you'll forget it's there until you need the data.
This watch prioritizes endurance athletes over casual users. If you need 75 hours of GPS tracking and can navigate button-only controls, it's exceptional value at $299.
Best for: Distance ruckers who prioritize battery life over smartwatch features
Check Price — $299.00Specifications
| Price | $299.00 |
| Weight | 0.09 lbs |
| Dimensions | 5H x 5W x 5L in |
| Material | Nylon, Titanium |
Durability
The titanium bezel and sapphire glass face handle trail abuse better than most watches at twice the price. We've banged this against concrete barriers, scraped it on rock faces, and dunked it in creek crossings without a scratch on the display.
The nylon band flexes without stretching out, and the PVD coating on the titanium resists the sweat corrosion that eats cheaper watch cases. COROS rates it to 100 meters water resistance, but the real test is whether it survives daily ruck wear — and it does.
Comfort
At 1.44 ounces with the band, this watch disappears on your wrist during long rucks. The nylon strap breathes well enough that we don't get the usual sweat rash after 10-mile sessions, and the low-profile case doesn't catch on pack straps.
The button controls take a week to memorize, but once you do, they're faster than touchscreens with wet or gloved hands. The 1.2-inch display stays readable in direct sunlight, though smaller than Garmin's offerings. Heart rate monitoring sits flush enough that it doesn't dig in under a weighted pack.
Features
The offline mapping and breadcrumb navigation work flawlessly for backcountry rucks where cell service dies. We've used the structured workout builder to program interval ruck sessions, and the watch keeps pace alerts accurate within seconds.
Third-party integrations with Strava and TrainingPeaks sync automatically, so your ruck data flows into whatever training ecosystem you use. Sleep tracking breaks down REM and deep sleep stages, helpful for monitoring recovery between heavy ruck weeks. The 75-hour GPS battery means you can track an entire GoRuck Heavy without charging.
Value
At $299, this undercuts Garmin's comparable Fenix models by $200-400 while matching their core GPS and durability specs. You lose some smartwatch features like music storage and payment, but if you're buying this for rucking, those don't matter.
The titanium construction at this price point is rare. Most watches under $300 use stainless steel or plastic. COROS proves you don't need a $600 budget for professional-grade tracking hardware. The only catch: their app ecosystem is smaller than Garmin's, so some niche plugins won't work.
Pros & Cons
Pros
- ✓ 75-hour GPS battery outlasts multi-day ruck events
- ✓ Sapphire glass and titanium construction at $299
- ✓ Offline maps work without cell signal
- ✓ Weighs only 0.09 lbs with band
- ✓ Button controls function with gloves or wet hands
- ✓ Sleep tracking monitors recovery between training blocks
Cons
- ✗ Smaller display than Garmin Fenix series
- ✗ Button-only interface has learning curve
- ✗ Limited smartwatch features compared to Apple Watch
- ✗ Smaller third-party app ecosystem than Garmin
Frequently Asked Questions
How long does the battery last during a typical ruck?
With GPS active, the APEX 2 runs 75 hours straight. For a standard 10-15 mile ruck at 15-20 min/mile pace, that's enough for 20+ sessions between charges. Daily wear without GPS tracking lasts 30 days.
Can I navigate with this watch without my phone?
Yes. The APEX 2 stores offline maps and provides breadcrumb navigation. Download your route beforehand via WiFi, and the watch guides you turn-by-turn even in areas with zero cell coverage.
Does it track rucking as a specific activity?
COROS doesn't have a dedicated ruck mode, but you can use hiking or trail running modes and manually log pack weight in the notes. Heart rate and GPS tracking work identically across activities.
Is the heart rate monitor accurate under a ruck?
The optical sensor performs well during steady-state rucks. It struggles with interval training where pack straps compress your wrist. For precision interval work, pair it with a chest strap via Bluetooth.
How does this compare to Garmin watches for rucking?
The APEX 2 matches Garmin's GPS accuracy and exceeds their battery life at half the price of a Fenix 7. You trade Garmin's larger app ecosystem and bigger display for lighter weight and better value.
