Relentless at the Ark Trail Race 2026
Relentless at the Ark Trail Race is a 80 km trail ultra in Denholm, Canada on October 3, 2026. See its terrain, cutoffs and how it fits your running on Find My Ultra.
- Distance
- 49.7 mi (80 km)
- Elevation Gain
- 5,584 ft
- Max Altitude
- Not published
- Cutoff
- 16 hrs