Waterloo
Triathlon Calendar near Waterloo 2026-2027
Monthly updates for Waterloo
Get new running races (and updates) in your inbox every month.
Explore the top triathlons near Waterloo for 2026-2027! We've gathered 5 exciting races in the area. Check out our detailed list below to find your next local race.
September 2026
An ultra-distance triathlon at Ottawa Lake State Park with short loops, crew access each lap, on-site medical coverage, and multiple distance formats in September 2026.
IRONMAN Wisconsin in Madison features a lake swim, rolling bike, and hilly run finishing by the Wisconsin State Capitol on September 13, 2026.
Single day multi-format races at UW-Whitewater featuring triathlon, duathlon and aquabike distances. Online only registration, relay options, a new youth supersprint award and limited Olympic entries.
July 2027
Monthly updates for Waterloo
Get new running races (and updates) in your inbox every month.