Trail
100 mile
161 km
2,983m
Start: Jul 13, 06:00 AM
145.00 EUR

Trail
100 mile
161 km
2,983m
Start: Jul 13, 06:00 AM
145.00 EUR
Trail
50k
50 km
1,216m
Start: Jul 13, 06:00 AM
105.00 EUR
A 100‑mile trail race through the Chequamegon‑Nicolet National Forest, featuring the iconic Ice Age Trail and four aid stations.
Four on-course aid stations offering water, electrolyte drinks, and solid food options.
Pacers will be present starting at the Mondeaux Dam Lodge (aid #1) to aid runners with navigation and target pacing; refer to the Renntag schedule for exact pacer start times and pacerflag locations.
Monthly averages based on historical data (2000–present).
The course covers 100 miles (and a 50k option) primarily on the Midwest Iconic Ice Age Trail within Chequamegon‑Nicolet National Forest, with climbs, single‑track, and short road sections between checkpoints.
Yes, there are four staffed aid stations providing water, electrolyte drinks, and food.
Yes—Rollover is allowed with notification by 70 days before the event; 50% credit if done by 25 days; 100% rollover up to race day if you volunteer.
Last updated: Jun 6, 2026, 12:32:32 AM
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