Jefferson
Triathlon Calendar near Jefferson 2026-2027
Monthly updates for Jefferson
Get new running races (and updates) in your inbox every month.
Explore the top triathlons near Jefferson for 2026-2027! We've gathered 5 exciting races in the area. Check out our detailed list below to find your next local race.
May 2027
One-day multisport event at UW Whitewater with triathlon, aquabike, duathlon and relay options plus adaptive divisions and live results.
June 2027
Lake Mills Triathlon at Sandy Beach Park on 06/06/2027 features sprint individual and relay races plus a Wisconsin Triathlon Series option with listed registration fees.
July 2027
A multi-format triathlon at Ottawa Lake State Park on July 25 2027 offering sprint and Olympic individual and relay races plus a Wisconsin Triathlon Series entry.
Lake Country Triathlon in Oconomowoc WI on July 31, 2027 offers Sprint, Olympic and Half Iron individual and relay races with a lake swim, scenic bike, and town run.
November 2027
Three adventure race formats of 3, 8 and 18 hours across the Southern Kettle Moraine featuring paddling, trekking and biking.
Monthly updates for Jefferson
Get new running races (and updates) in your inbox every month.