Belleville close

Triathlon Calendar near Belleville 2026-2027

Header image

Explore the top triathlons near Belleville for 2026-2027! We've gathered 2 exciting races in the area. Check out our detailed list below to find your next local race.

Triathlon Calendar United States
September 2026
Sep
12
Sa

IRONMAN 70.3 Wisconsin

Triathlon Middle distance 1.2 56 13.1 mi
IRONMAN 70.3 Wisconsin is a 70.3-mile triathlon in Madison featuring a swim in Lake Monona, a rolling bike course and a waterfront run finishing by the State Capitol.
Sep
13
Su

Ironman Wisconsin

Triathlon Full distance 2.4 112 26.2 mi
IRONMAN Wisconsin in Madison features a lake swim, rolling bike, and hilly run finishing by the Wisconsin State Capitol on September 13, 2026.
Monthly updates for Belleville

Get new running races (and updates) in your inbox every month.
Add Event
Help us complete the calendar!
  • Distance is at least 5 km
  • Event has a website or Facebook page
Website
Optional: Please provide your e-mail address if we may contact you.
Report a change
We will only update the data if the information is also on the website.