TriathlonWisconsin
Triathlon in Wisconsin
Browse upcoming amateur triathlon events and compare dates, locations, and popularity. in Wisconsin.
Upcoming dates Wisconsin Community-rated events
Events listed
75
Sport
Triathlon
Area
Wisconsin
Radius
350 km
This calendar in numbers
This calendar currently lists 75 upcoming events, from Jul 11, 2026 to May 15, 2027. July is the busiest month, with 29 events scheduled. Events are spread across 47 different locations; Egg Harbor hosts the most (7).
Browse all 75 events by date
July 2026
- Door County Double Door Triathlon Jul 11
- Door County Sprint Triathlon Jul 11
- Door County Triathlon Jul 11
- Door County Triathlon Jul 11
- Mark Ernst Memorial Kids' Triathlon Jul 11
- Pardeeville Triathlon Jul 11
- YMCA Kids Tri Jul 11
- Door County Double Door Triathlon Jul 12
- Door County Olympic Distance Triathlon Jul 12
- Grand Haven Triathlon Jul 12
- Grand Haven Triathlon Jul 12
- Green Lake Triathlon Jul 19
- Lake Rebecca Triathlon Jul 19
- Taste of Triathlon Swim Jul 21
- Taste of Triathlon Swim Jul 22
- Taste of Triathlon Swim Jul 23
- Tri Millennium Jul 24
- 2026 Emplify Health by Bellin Kids Triathlon Jul 25
- Black Squirrel Scurry Triathlon Jul 25
- Chisago Lakes Kids Triathlon Jul 25
- Chisago Lakes Triathlon Jul 25
- Lake Country Triathlon Jul 25
- Shell Lake Sprint Triathlon/duathlon Jul 25
- Tri-ing for A Cure Triathlon Jul 25
- Trimillennium Jul 25
- Wauconda Kids Triathlon 2026 Jul 25
- Chisago Lakes Triathlon Jul 26
- Tri-Ing for a Cure Triathlon Jul 26
- Wauconda Triathlons 2026 Jul 26
August 2026
- Big Lake Graniteman Triathlon Aug 1
- Muscatine Triathlon | Presented by Sqwincher Aug 1
- Brewhouse Triathlon P/b Lakewalk Surgery Center Aug 2
- 2026 USA Triathlon Draft-Legal Sprint National Championships Aug 7
- USA Triathlon Nationals Aug 7
- 2026 USA Triathlon Mixed Relay National Championships Aug 8
- 2026 USA Triathlon Olympic-Distance National Championships Aug 8
- Oregon Kids Triathlon Aug 8
- TOSA Youth Tri Aug 8
- 2026 USA Triathlon Sprint National Championships Aug 9
- YWCA Minneapolis Women's Triathlon Aug 9
- Telemark Sprint Triathlon Aug 14
- Waupaca Area Triathlon Aug 14
- Tamarac Tri Aug 15
- Tri 4 Schools Middleton Kids Triathlon Aug 15
- Waupaca Area Triathlon Aug 15
- Waupaca Area Youth Triathlon Aug 15
- Janesville Kids Triathlon Aug 21
- 2026 Chicago Triathlon Aug 22
- 2026 Supertri Chicago Aug 22
- Chicago Triathlon Aug 22
- W.I.L.D Hodag Mini-Triathlon Aug 22
- Lake Country Half Marathon Aug 29
- Rugged Toad Adventure Triathlon Aug 29
- TRI Clear Lake Aug 29
- TRI Clear Lake 2026 Aug 29
- Verona Area Kids Triathlon Aug 30
September 2026
- Hopkins Royal Triathlon Sep 5
- Fontana Triathlon on Geneva Lake Sep 12
- IRONMAN 70.3 Wisconsin Sep 12
- Black Hawk YMCA Triathlon Sep 13
- Ironman Wisconsin (myTeam Triumph) Sep 13
- Ironman Wisconsin 2026 Sep 13
- Kewaskum TRiE-athlon: Sprint Triathlon Presented by Kewaskum Friends of Parks and TRiE Fitness Sep 13
- Harvest Hammer Run and Duathlon 2026 Sep 19
- Devil's Challenge Triathlon - WI Sep 20
- IRONMAN 70.3 Michigan Sep 20
- KIEL RAIDER NATION 5K RUN / 2 MILE RUN - WALK Sep 20
- Kiel Raider Nation Triathlon Sep 20
- Last TRI Sep 20
- Have Fun? You Won! Kids Triathlon Sep 27
- Have Fun? You Won! Kids Triathlon Sep 27
November 2026
January 2027
- White Continent Triathlon Jan 19
February 2027
- Wildcat Indoor Triathlon Feb 21
May 2027
- Root River Triathlon May 15