tBunk Endurance Challenge

100 miles

The race unfolds entirely on the Nordic Blue loop, a 9.19-mile circuit that delivers 1,700 feet of elevation gain per lap. This creates a rolling challenge that accumulates significant vertical gain over the full distance while maintaining a predictable rhythm for pacing and nutrition planning. Runners will encounter an unmanned aid station at the halfway point of each loop, with the fully-stocked main aid station positioned at the start/finish area. The consistent loop format allows for strategic planning and crew support while the maintained trail surfaces ensure reliable footing regardless of weather conditions.