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Wisconsin Running Calendar 2025-2026

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Explore the best running races in Wisconsin for 2025-2026! Our updated list features 248 exciting races across the region. Find your next race in Wisconsin below and join the running community at these great events!

Half Marathons Marathons Trail Runs Triathlons
April 2026
Apr
26
Sunday

Run the Rock

2 mi 5 km ... Half Marathon Marathon
May 2026
May
1-3
Fr - Su

Wausaultra Single, Double, Limitless

Backyard Ultra 4 mi 8 mi
May
2
Saturday

Donald Dash Trail Run

Trail Run 5 km 15 km
May
2
Saturday

Door County Half Marathon

5 km Half Marathon
May
2-3
Sa - Su

Eau Claire Marathon

5 km 10 km Half Marathon Marathon
May
2-3
Sa - Su

Prickly Pine Jackpot 24 Hour

Backyard Ultra 6 hr 12 hr 24 hr
May
2
Saturday

Derby for Diabetes 5K

5 km
May
2
Saturday

Lake Monona 20K

5 km 20 km
May
2
Saturday

Fox Heritage Run

8 km
May
2
Saturday

Waddling Warriors Adventure Race

Multisport
May
2
Saturday

RC2 Community Runs Half Marathon

5 km 10 km Half Marathon
May
3
Sunday

Sweet Home Milwaukee 5K

3 mi
May
3
Sunday

J-Hawk Earlybird Race Series

Triathlon
May
3
Sunday

Bodies Race Company - Milwaukee

5 km 10 km Half Marathon
May
9
Saturday

Lodi Optimist One Mother of a Run

5 km 11 mi
May
9
Saturday

Sole Burner 5K

5 km
May
9
Saturday

Fox River Challenge

5 km
May
9
Saturday

Popple Shoot Trail Races

Trail Run 10 km 25 km 62 km 87 km
May
10
Sunday

Milwaukee Mother's Day Half Marathon

5 km 10 km Half Marathon
May
16
Saturday

Rumble on the Ridge

Backyard Ultra
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