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Triathlon Calendar near DeForest 2025-2026

Explore the top triathlons near DeForest for 2025-2026! We've gathered 39 exciting races in the area. Check out our detailed list below to find your next local race.

June 2025
Jun
19
Thursday

Baraboo Lions Strides Against Diabetes

5 km
Jun
21
Saturday

Wisconsin Triterium Triathlon

Triathlon
July 2025
Jul
4-6
Fr - Su

Freedom Run - DeForest

5 km 10 km
Jul
5
Saturday

Eagle Chase Fire on the River

5 km 10 km 13 mi
Jul
12
Saturday

DWD Devil's Lake

Trail Run 10 km 13 mi ... 50 km 50 mi
Jul
12
Saturday

Pardeeville Triathlon

Triathlon
Jul
26
Saturday

Waunafest Run

2 mi 5 km 10 mi
August 2025
Aug
2-3
Sa - Su

Badger Trail Races

13 mi 26 mi ... 100 km 100 mi
Aug
9
Saturday

Madison Mini Marathon

5 km 13 mi
Aug
9
Saturday

Library Run Walk

5 km
Aug
16
Saturday

Let's Glow

5 km
Aug
17
Sunday

Cambridge Triathlon

Triathlon
Aug
23
Saturday

Run the Hawk Trail Runs

Trail Run 3 hr 6 hr 12 hr
Aug
23
Saturday

Taste of Portage Half Marathon

5 km 13 mi
Aug
24
Sunday

Sugar River Triathlon

Triathlon
Aug
30
Saturday

Rockin Brews Marathon

5 km 13 mi 26 mi
Aug
30
Saturday

Cow Chip Classic

5 km 10 km
September 2025
Sep
7
Sunday

Ironman Wisconsin

Triathlon
Sep
13
Saturday

Holy Hustle

5 km 10 km
Sep
14
Sunday

Devil's Challenge Triathlon

Triathlon
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