Triathlon Calendar near Lake Mills 2025-2026

Nov

1

Saturday

Milwaukee Area Fall Frenzy Adventure Race

Delafield | 25 mi from Lake Mills

Multisport

Milwaukee Area Fall Frenzy at Lapham Peak State Park in Delafield on Nov 1 is a choose your own adventure across the Kettle Moraine. Teams or solo racers will paddle, trek and bike in 3 hour, 8 hour or 18 hour formats for a strategic outdoor challeng..

Jun

7

Sunday

Lake Mills Triathlon

Lake Mills

Triathlon

Kick off summer with the Lake Mills Triathlon, the opening race of the Wisconsin Triathlon Series on June 7 in Lake Mills, WI. This sprint tri features a 400 meter swim, 16 mile bike and 5K run plus a race shirt, medal and pro timing.

Jul

25

Saturday

Lake Country Triathlon

Oconomowoc | 21 mi from Lake Mills

Triathlon

Jul

26

Sunday

Tri-ing for a Cure Triathlon

Dousman | 23 mi from Lake Mills

Triathlon

Join the 18th Triing for A Cure Triathlon on July 26 at Ottawa Lake State Park in Kettle Moraine Forest for sprint and Olympic distances and relay entries. Enjoy scenic lake swims, bike roads and finish swag with photos.

Sep

12

Saturday

IRONMAN 70.3 Wisconsin

Madison | 25 mi from Lake Mills

Triathlon

Take on IRONMAN 70.3 Wisconsin in Madison on September 12, 2026, with a Lake Monona swim, rolling bike and a scenic hilly run finishing by the State Capitol. Enjoy a lively race day vibe with spectators, VIP options and local flavor.