Triathlons in Wisconsin
Wisconsin has 39 upcoming triathlons scheduled for 2026. That is the 5th-highest event count for triathlons of any state. Two months carry most of the calendar: August (19) and July (13) together account for 82% of races (32 of 39). No single city dominates the calendar. Brookfield leads with 4 races, followed by Waupaca (4), Merrill (2), and Shell Lake (2). The remaining 69% of the calendar is spread across smaller cities.
Triathlons by month in Wisconsin
Aug (19) · Jul (13) · Sep (6) · Jun (1)
Showing 24 of 39
Triathlon
Green Lake Triathlon
Green Lake, WI
Green Lake Triathlon
Triathlon
Tri Faster SwimRun #2
Brookfield, WI
Tri Faster SwimRun #2
Triathlon
Shell Lake Lions Triathlon / Duathlon
Shell Lake, WI
Shell Lake Lions Triathlon / Duathlon
Triathlon
Tricky Trout Paddle Triathlon
Hayward, WI
Tricky Trout Paddle Triathlon
Triathlon
Black Squirrel Scurry Triathlon
Merrill, WI
Black Squirrel Scurry Triathlon
Triathlon
Tri-ing for a Cure/Tri-ing for Children's Triathlon
Dousman, WI
Tri-ing for a Cure/Tri-ing for Children's Triathlon
Triathlon
Phelps Twin Triathlon
Phelps, WI
Phelps Twin Triathlon
Triathlon
Emplify Health by Bellin Kids Triathlon
Onconto, WI
Emplify Health by Bellin Kids Triathlon
Triathlon
Tri Faster SwimRun
Brookfield, WI
Tri Faster SwimRun
Triathlon
Oregon Kids Triathlon
Oregon, WI
Oregon Kids Triathlon
Triathlon
USA Triathlon Nationals
Milwaukee, WI
USA Triathlon Nationals
Triathlon
Running Bear Triathlon
Three Lakes, WI
Running Bear Triathlon
Triathlon
2026 Waupaca Area Triathlon - SATURDAY
Waupaca, WI