4 aidTrail Races & Ultramarathons in Wisconsin
As of October 6, 2026, Crewable lists 31 upcoming trail races and ultramarathons in Wisconsin from October 2026 to October 2027. The next is Broken Rock Trail Runs on October 10 in Dodgeville. Registration is open for 17.
Sources: UltraSignup, RunSignUp, UTMB, race organizers and race websites
With aid station data
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1 aidRace calendar
October 2026
13 racesPaws for a Cause Canicross & Trail Run/Walk for Charity 2026
Denmark, WI8.4 mi5.6 mi+1Open until Oct 18from $40
November 2026
5 racesDecember 2026
2 racesJanuary 2027
1 raceApril 2027
2 racesMay 2027
4 racesJuly 2027
1 raceSeptember 2027
2 racesOctober 2027
1 raceQuick answers
What is the next trail race or ultramarathon in Wisconsin?
Broken Rock Trail Runs, on Saturday, October 10, 2026, in Dodgeville. Distances: 50K, 20 mi, 10 mi.
How many trail races and ultramarathons in Wisconsin have open registration?
17 of the 31 list registration as open as of October 6, 2026, including Broken Rock Trail Runs, Friends of the Poor Walk/Run SVDP BBM and HELIOS 6/12/20 HOUR ULTRA.
How many of the trail races in Wisconsin are ultramarathons?
20 of the 31 are ultramarathons (longer than a marathon, or a backyard, timed or 200+ mile format). The other 11 are shorter races.
What is the busiest month for trail races and ultramarathons in Wisconsin?
October 2026, with 13 of the 31. November 2026 follows with 5.
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