Wisconsin Triathlon Calendar 2025-2026

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Explore the best triathlons in Wisconsin for 2025-2026! Our updated list features 26 exciting races across the state. Find your next race in Wisconsin below and join the running community at these great events!

February 2025
Feb
1
Saturday

Wausau Winter Triathlon

Triathlon
Feb
16
Sunday

Tri Faster Indoor Triathlon

Triathlon
May 2025
May
4
Sunday

J-Hawk Earlybird Race Series: Olympic Triathlon

Triathlon
May
17
Saturday

White Deer Triathlon

Triathlon
May
28
Wednesday

Tri Faster SwimRun

Aquathlon
June 2025
Jun
1
Sunday

Pleasant Prairie Cup Triathlon

Triathlon
Jun
1
Sunday

Lake Mills Triathlon

Triathlon
Jun
18
Wednesday

Tri Faster SwimRun

Aquathlon
Jun
21
Saturday

Wisconsin Triterium Triathlon

Triathlon
Jun
22
Sunday

Pleasant Prairie Triathlon

Triathlon
Jun
28-29
Sa - Su

Mind Over Matter Triathlon

Triathlon
Jun
29
Sunday

Duck Creek Triathlon

Triathlon
July 2025
Jul
12
Saturday

Oconto Falls Dri-Tri

Triathlon
Jul
12
Saturday

Pardeeville Triathlon

Triathlon
Jul
12
Saturday

Door County Triathlon

Triathlon
Jul
16
Wednesday

Tri Faster SwimRun

Aquathlon
Jul
20
Sunday

Green Lake Triathlon

Triathlon
Jul
26
Saturday

Lake Country Triathlon

Triathlon
Jul
27
Sunday

Tri-ing for a Cure Triathlon

Triathlon
August 2025
Aug
6
Wednesday

Tri Faster SwimRun

Aquathlon
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