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Triathlons in Wisconsin

Wisconsin has 47 upcoming triathlons scheduled for 2026. That is the 3rd-highest event count for triathlons of any state. Two months carry most of the calendar: July (21) and June (10) together account for 66% of races (31 of 47). No single city dominates the calendar. Egg Harbor leads with 8 races, followed by Brookfield (4), Pleasant Prairie (4), and Milton (2). The remaining 62% of the calendar is spread across smaller cities.

Triathlons by month in Wisconsin

Jul (21) · Jun (10) · Aug (10) · Sep (6)

Showing 24 of 47

Milton Youth Tri
Triathlon

Milton Youth Tri

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

Tri Faster SwimRun - Race #1

June 17, 2026
Brookfield, WI
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Triathlon

Milton Youth Tri

Milton, WI

Triathlon

Milton Youth Tri

June 17, 2026
Milton, WI
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Triathlon

Tri Faster SwimRun

Brookfield, WI

Triathlon

Tri Faster SwimRun

June 20, 2026
Brookfield, WI
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Mequon Thiensville Youth Triathlon
Triathlon

Mequon Thiensville Youth Triathlon

June 27, 2026
Thiensville, WI
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Wisconsin Triterium Triathlon
Triathlon

Wisconsin Triterium Triathlon

June 27, 2026
Verona, WI
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Duck Creek Triathlon
Triathlon

Duck Creek Triathlon

June 28, 2026
Howard, WI
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Triathlon

2026 Pleasant Prairie Triathlon

Pleasant Prairie, WI

Triathlon

2026 Pleasant Prairie Triathlon

June 28, 2026
Pleasant Prairie, WI
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Pleasant Prairie Triathlon with myTEAM TRIUMPH
Triathlon

Pleasant Prairie Triathlon with myTEAM TRIUMPH

June 28, 2026
Pleasant Prairie, WI
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Pleasant Prairie Triathlon
Triathlon

Pleasant Prairie Triathlon

June 28, 2026
Pleasant Prairie, WI
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Triathlon

Duck Creek Triathlon

Howard, WI

Triathlon

Duck Creek Triathlon

July 4, 2026
Howard, WI
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Triathlon

Redcloud Raiders Triathlon

Black River Falls, WI

Triathlon

Redcloud Raiders Triathlon

July 4, 2026
Black River Falls, WI
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Triathlon

Redcloud Raiders Triathlon

Black River Falls, WI

Triathlon

Redcloud Raiders Triathlon

July 5, 2026
Black River Falls, WI
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Triathlon

Mark Ernst Memorial Kids' Triathlon

Egg Harbor, WI

Triathlon

Mark Ernst Memorial Kids' Triathlon

July 11, 2026
Egg Harbor, WI
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Door County Triathlon with myTEAM TRIUMPH
Triathlon

Door County Triathlon with myTEAM TRIUMPH

July 11, 2026
Egg Harbor, WI
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Triathlon

Door County Double Door Triathlon

Egg Harbor, WI

Triathlon

Door County Double Door Triathlon

July 11, 2026
Egg Harbor, WI
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Triathlon

Door County Sprint Triathlon

Egg Harbor, WI

Triathlon

Door County Sprint Triathlon

July 11, 2026
Egg Harbor, WI
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Pardeeville Triathlon
Triathlon

Pardeeville Triathlon

July 11, 2026
Pardeeville, WI
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Triathlon

2026 Door County Sprint Triathlon - Saturday

Egg Harbor, WI

Triathlon

2026 Door County Sprint Triathlon - Saturday

July 11, 2026
Egg Harbor, WI
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Triathlon

2026 Door County KIDS Triathlon - Saturday Afternoon

Egg Harbor, WI

Triathlon

2026 Door County KIDS Triathlon - Saturday Afternoon

July 11, 2026
Egg Harbor, WI
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YMCA Kids Tri
Triathlon

YMCA Kids Tri

July 11, 2026
Onalaska, WI
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Oconto Falls Dri - Tri
Triathlon

Oconto Falls Dri - Tri

July 11, 2026
Oconto Falls, WI
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Triathlon

2026 Door County Olympic Triathlon - Sunday

Egg Harbor, WI

Triathlon

2026 Door County Olympic Triathlon - Sunday

July 12, 2026
Egg Harbor, WI
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Triathlon

Door County Olympic Distance Triathlon

Egg Harbor, WI

Triathlon

Door County Olympic Distance Triathlon

July 17, 2026
Egg Harbor, WI
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Top Cities for Triathlons in Wisconsin

Egg Harbor (8)

Triathlons in Nearby States

IowaIllinoisMichiganMinnesota

Frequently asked questions

What are the standard triathlon distances?▾
The main distances are Sprint (750m swim, 20K bike, 5K run), Olympic (1.5K swim, 40K bike, 10K run), Half-Ironman/70.3 (1.2mi swim, 56mi bike, 13.1mi run), and full Ironman (2.4mi swim, 112mi bike, 26.2mi run). Browse all distances on RACE.
What do I need for my first triathlon?▾
At minimum you need a swimsuit, goggles, a road or tri bike, helmet, running shoes, and a race belt for your number. Many beginners start with a sprint triathlon, which can be completed in 1-2 hours.
What is the difference between sprint and Olympic triathlon?▾
A sprint triathlon is roughly half the distance of an Olympic triathlon. Sprints typically take 1-1.5 hours while Olympic distance races take 2-3.5 hours. Sprints are ideal for beginners.
How do I qualify for the IRONMAN World Championship?▾
Athletes qualify by earning a slot at an IRONMAN-branded qualifying race. Each full IRONMAN event allocates slots to age group winners. The World Championship is held annually in Kailua-Kona, Hawaii.
What are the biggest triathlons in the US?▾
The SuperTri Chicago Triathlon is the largest single triathlon event with 8,000+ athletes. IRONMAN events in Texas, Florida, Lake Placid, and Arizona draw thousands. Escape From Alcatraz is a bucket-list race. Find them all on RACE.
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