Registration for the 2027 Ice Age Trail Races will open on Sunday, December 13th, 2026. Registration is staggered — with registration for the 50-mile race starting at noon CST, followed by the 50k at 3:00 p.m. and the Half Marathon at 6:00 p.m. Race day is Saturday, May 8th.
The following groups are eligible for early registration:
*9x IAT finishers (any combination of events).
*Top three finishers across all events and age divisions from 2026.
*2026 IAT volunteers.
*2026 deferrals.
*Race directors (ultra distance).
*Runners registered in the 2027 50k Mash-Up.
*Active Members of the UMTR (Upper Midwest Trail Runners).
If you qualify for early registration, please watch your inbox in late November for registration dates, times and instructions.
We look forward to welcoming everyone to the 45th annual Ice Age Trail 50!
If you have any questions, please contact the Race Director, Jeff Mallach, at iceage50rd@gmail.com.