4 aidTrail Races & Ultramarathons Near Milwaukee, WI
As of October 6, 2026, Crewable lists 15 upcoming trail races and ultramarathons near Milwaukee, WI from October 2026 to September 2027. The next is Des Plaines River Trail Races on October 10 in Lake County, IL. Registration is open for 7.
Sources: UltraSignup, RunSignUp, UTMB, race organizers and race websites
With aid station data
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6 aidRace calendar
October 2026
6 racesNovember 2026
3 racesDecember 2026
1 raceJanuary 2027
1 raceApril 2027
3 racesSeptember 2027
1 raceQuick answers
What is the next trail race or ultramarathon near Milwaukee, WI?
Des Plaines River Trail Races, on Saturday, October 10, 2026, in Lake County, IL. Distances: 50 mi, 50K, Marathon.
What is the closest trail race or ultramarathon to Milwaukee?
Warrior 5K & 8K...Through The Park in West Allis, WI, about 5 miles from Milwaukee, on November 7, 2026.
How many trail races and ultramarathons near Milwaukee, WI have open registration?
7 of the 15 list registration as open as of October 6, 2026, including HELIOS 6/12/20 HOUR ULTRA, Race For Open Space and Soul Crusher.
How many of the trail races near Milwaukee, WI are ultramarathons?
9 of the 15 are ultramarathons (longer than a marathon, or a backyard, timed or 200+ mile format). The other 6 are shorter races.
What is the busiest month for trail races and ultramarathons near Milwaukee, WI?
October 2026, with 6 of the 15. November 2026 follows with 3.
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