Triathlon Race Calendar in Wisconsin, United States

Sep

11

Wolfman Triathlon and Trail Runs

White Lake, Wisconsin, United States

$30.00 - $165.00

Triathlon Running

32.2K 6K 12.1K +1

Sep

12

Kewaskum TRiE-athlon: Sprint Triathlon Presented by Kewaskum Friends of Parks and TRiE Fitness

Kewaskum, Wisconsin, United States

$20.00 - $60.00

Triathlon Running

5K T-Shirt Only

Sep

19

Kiel Raider Nation Triathlon

Kiel, Wisconsin, United States

Free - $90.00

Triathlon Running Aquabike

14.5K 5.6K 29K Team Relay "FULL" Sprint Distance Triathlon +4

Sep

19

Devil's Challenge Triathlon

Baraboo, Wisconsin, United States

$64.00 - $319.00

Triathlon

29.5K Wisconsin Triathlon Series

Sep

27

2026 J-Hawk Latebird Race Series: Duathlon, Triathlon (Olympic, Sprint, & SuperSprint), AquaBike (Oly & Sprint)

Whitewater, Wisconsin, United States

Triathlon Duathlon

25.7K 29K 48.3K

Sep

13

Ironman Wisconsin (myTeam Triumph)

Madison, Wisconsin, United States

Triathlon

Ironman Angel - (assisting an athlete with a disability) Fundraise Ironman Captain - (athlete with a disability)

Sep

12

Fontana Triathlon on Geneva Lake

Fontana, Wisconsin, United States

Triathlon

Ultra 25.8K

Sep

12

Loop-de-Lori

Chippewa Falls, Wisconsin, United States

Triathlon Walking Running

28.5K 5K 1.6K +1

Aug

30

Verona Area Kids Triathlon

Verona, Wisconsin, United States

Triathlon

13 - 14 Year Old's Triathlon 11 - 12 Year Old's Triathlon 9 - 10 Year Old's Triathlon 7 - 8 Year Old's Triathlon +1

Aug

21

Janesville Kids Triathlon

Janesville, Wisconsin, United States

Triathlon Running

5.6K 4.9K Transition Clinic & Q&A Race The Gator Fun Run (2-6 yr olds)

Aug

15

Telemark Sprint Triathlon

Cable, Wisconsin, United States

Triathlon

24.9K

Aug

15

Tri 4 Schools Middleton Kids Triathlon

Middleton, Wisconsin, United States

Triathlon

Long Course Medium Course Intermediate Course Short Course +1