Wisconsin Obstacle Race Calendar 2025-2026

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Explore the best obstacle runs in Wisconsin for 2025-2026! Our updated list features 229 exciting races across the region. Find your next race in Wisconsin below and join the running community at these great events!

January 2026
Jan
31
Saturday

Abominable Snow Race

Obstacle Run 2 mi 5 km 10 km 20 km
February 2026
Feb
7
Saturday

Frozen Assets Run

Trail Run 5 km
Feb
15
Sunday

Cupid Shuffle - Wauwatosa

5 km 10 km
Feb - Mar
28-1
Sa - Su

ARKTOS

Backyard Ultra 6 hr 12 hr 20 hr
March 2026
Mar
14
Saturday

Grafton Lucky 5K

5 km
Mar
15
Sunday

Luck of the Irish

5 km 10 km
April 2026
Apr
4
Saturday

DockHounds Dash

2 mi 5 km 4 mi
Apr
11
Saturday

NK50k

Trail Run 50 km
Apr
11
Saturday

Milwaukee Marathon

5 km 13 mi 26 mi
Apr
11
Saturday

MadCity Ultras

50 km 100 km
Apr
25
Saturday

Strides for Hope - Eau Claire

2 mi 5 km
May 2026
May
1-3
Fr - Su

Wausaultra Single, Double, Limitless

Backyard Ultra 4 mi
May
2
Saturday

Donald Dash Trail Run

Trail Run 5 km 15 km
May
2
Saturday

Door County Half Marathon

5 km 13 mi
May
2-3
Sa - Su

Eau Claire Marathon

5 km 10 km 13 mi 26 mi
May
2-3
Sa - Su

Prickly Pine Jackpot 24 Hour

Backyard Ultra 6 hr 12 hr 24 hr
May
9
Saturday

Lodi Optimist One Mother of a Run

5 km 11 mi
May
16
Saturday

Rumble on the Ridge

Backyard Ultra
May
16
Saturday

Syttende Mai Classic Run

2 mi 5 km 13 mi
May
16
Saturday

O'So Brewery Honor Flight 5K Run/Walk

5 km
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