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Upcoming Triathlons in Wisconsin

Find 47 upcoming events across the state

J-Hawk Earlybird Race Series: Duathlon, Triathlon (Olympic, Sprint, & SuperSprint), AquaBike (Oly & Sprint), Youth Aquathon
Triathlon

J-Hawk Earlybird Race Series: Duathlon, Triathlon (Olympic, Sprint, & SuperSprint), AquaBike (Oly & Sprint), Youth Aquathon

Whitewater, WI
May 3, 2026
OlympicSprintDuathlonAquabikeSuper Sprint
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Flater's Triple-R-Triathlon
Triathlon

Flater's Triple-R-Triathlon

Holcombe, WI
May 9, 2026
Dry Tri
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The Fox River Challenge
Triathlon

The Fox River Challenge

Wrightstown, WI
May 9, 2026
Duathlon
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Pace and Pedal Event
Triathlon

Pace and Pedal Event

Black River Falls, WI
May 16, 2026
Duathlon
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Tri 4 Schools Waunakee Kids Triathlon
Triathlon
Price rises in 13 days

Tri 4 Schools Waunakee Kids Triathlon

Waunakee, WI
May 16, 2026
Youth
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White Deer Triathlon
Triathlon

White Deer Triathlon

Boulder Junction, WI
May 16, 2026
Dry Tri
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Green Bay Youth Triathlon
Triathlon
Price rises in 18 days

Green Bay Youth Triathlon

Green Bay, WI
May 30, 2026
Youth
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Pleasant Prairie Youth Tri
Triathlon
Price rises in 20 days

Pleasant Prairie Youth Tri

Pleasant Prairie, WI
May 31, 2026
Youth
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Pleasant Prairie USAT Junior Cup Triathlon
Triathlon

Pleasant Prairie USAT Junior Cup Triathlon

Pleasant Prairie, WI
May 31, 2026
Youth
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Mind Over Matter Triathlon
Triathlon

Mind Over Matter Triathlon

Hazel Green, WI
June 6, 2026
Sprint
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Lake Mills Triathlon
Triathlon
Price rises in 3 days

Lake Mills Triathlon

Lake Mills, WI
June 7, 2026
Sprint
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Tri 4 Schools Sun Prairie Kids Triathlon
Triathlon
Price rises in 41 days

Tri 4 Schools Sun Prairie Kids Triathlon

Sun Prairie, WI
June 13, 2026
Youth
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Milton Youth Tri
Triathlon

Milton Youth Tri

Milton, WI
June 14, 2026
Youth
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Tri Faster SwimRun - Race #1
Triathlon

Tri Faster SwimRun - Race #1

Brookfield, WI
June 17, 2026
Aquathlon
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Tri Faster SwimRun - Race #1
Triathlon

Tri Faster SwimRun - Race #1

Brookfield, WI
June 17, 2026
Aquathlon
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Wisconsin Triterium Triathlon
Triathlon
Price rises in 3 days

Wisconsin Triterium Triathlon

Verona, WI
June 27, 2026
OlympicSprint
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Mequon Thiensville Youth Triathlon
Triathlon

Mequon Thiensville Youth Triathlon

Thiensville, WI
June 27, 2026
Youth
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Duck Creek Triathlon
Triathlon

Duck Creek Triathlon

Howard, WI
June 28, 2026
Sprint
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Pleasant Prairie Triathlon
Triathlon
Price rises in 3 days

Pleasant Prairie Triathlon

Pleasant Prairie, WI
June 28, 2026
OlympicSprintDuathlonYouth
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YMCA Kids Tri
Triathlon
Price rises in 64 days

YMCA Kids Tri

Onalaska, WI
July 11, 2026
Youth
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Pardeeville Triathlon
Triathlon
Price rises in 3 days

Pardeeville Triathlon

Pardeeville, WI
July 11, 2026
Sprint
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Oconto Falls Dri - Tri
Triathlon
Price rises in 3 days

Oconto Falls Dri - Tri

Oconto Falls, WI
July 11, 2026
Dry Tri
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Door County Triathlon
Triathlon

Door County Triathlon

Egg Harbor, WI
July 11, 2026
Half IronSprintYouth
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Green Lake Triathlon
Triathlon
Price rises in 3 days

Green Lake Triathlon

Green Lake, WI
July 19, 2026
OlympicSprintYouth
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Tri Faster SwimRun - Race #2
Triathlon

Tri Faster SwimRun - Race #2

Brookfield, WI
July 22, 2026
Aquathlon
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Tri Faster SwimRun - Race #2
Triathlon

Tri Faster SwimRun - Race #2

Menomonee Falls, WI
July 22, 2026
Aquathlon
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Black Squirrel Scurry Triathlon
Triathlon
Price rises in 64 days

Black Squirrel Scurry Triathlon

Merrill, WI
July 25, 2026
Dry Tri
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Shell Lake Sprint Triathlon/Duathlon
Triathlon
Price rises in 2 days

Shell Lake Sprint Triathlon/Duathlon

Shell Lake, WI
July 25, 2026
SprintDuathlon
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Lake Country Triathlon
Triathlon
Price rises in 30 days

Lake Country Triathlon

Oconomowoc, WI
July 25, 2026
Half IronOlympicSprint
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Tri-ing for A Cure Triathlon
Triathlon
Price rises in 3 days

Tri-ing for A Cure Triathlon

Dousman, WI
July 26, 2026
OlympicSprint
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Oregon Kids Triathlon
Triathlon
Price rises in 71 days

Oregon Kids Triathlon

Oregon, WI
August 8, 2026
Youth
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Wisconsin Women's Triathlon
Triathlon
Price rises in 3 days

Wisconsin Women's Triathlon

Pleasant Prairie, WI
August 9, 2026
SprintDuathlon
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USA Triathlon Nationals
Triathlon

USA Triathlon Nationals

Milwaukee, WI
August 9, 2026
OlympicSprint
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Waupaca Area Triathlon
Triathlon
Price rises in 78 days

Waupaca Area Triathlon

Waupaca, WI
August 14, 2026
OlympicSprintYouthDry Tri
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Tri 4 Schools Middleton Kids Triathlon
Triathlon
Price rises in 3 days

Tri 4 Schools Middleton Kids Triathlon

Middleton, WI
August 15, 2026
Youth
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Telemark Sprint Triathlon
Triathlon
Price rises in 3 days

Telemark Sprint Triathlon

Cable, WI
August 15, 2026
Sprint
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Janesville Kids Triathlon
Triathlon
Price rises in 46 days

Janesville Kids Triathlon

Janesville, WI
August 21, 2026
Youth
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Sugar River Triathlon
Triathlon
Price rises in 3 days

Sugar River Triathlon

Belleville, WI
August 23, 2026
Sprint
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The First Bell Swim-Run Festival
Triathlon

The First Bell Swim-Run Festival

Milwaukee, WI
August 29, 2026
Aquathon
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Verona Area Kids Triathlon
Triathlon
Price rises in 78 days

Verona Area Kids Triathlon

Verona, WI
August 30, 2026
Youth
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IRONMAN 70.3 Wisconsin
Triathlon

IRONMAN 70.3 Wisconsin

Madison, WI
September 12, 2026
Half Iron
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Fontana Triathlon on Geneva Lake
Triathlon
Price rises in 33 days

Fontana Triathlon on Geneva Lake

Fontana, WI
September 12, 2026
OlympicSprint
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Wolfman Triathlon and Trail Runs
Triathlon

Wolfman Triathlon and Trail Runs

White Lake, WI
September 12, 2026
Dry Tri
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IRONMAN Wisconsin
Triathlon

IRONMAN Wisconsin

Madison, WI
September 13, 2026
Full Iron
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Rise & Run
Triathlon
Price rises in 125 days

Rise & Run

Denmark, WI
September 19, 2026
Duathlon
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Devil's Challenge Triathlon
Triathlon
Price rises in 3 days

Devil's Challenge Triathlon

Baraboo, WI
September 20, 2026
Sprint
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Kiel Raider Nation Triathlon
Triathlon
Price rises in 34 days

Kiel Raider Nation Triathlon

Kiel, WI
September 20, 2026
SprintSuper SprintYouth
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Finding the Right Wisconsin Triathlon

Whether you are looking for a beginner-friendly Sprint in Wisconsin or a challenging 70.3, Let's Race provides the most up-to-date calendar for triathletes. Our Wisconsin list is updated daily to include Ironman, Olympic, and local club races.