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Triathlon Calendar near Oconomowoc 2025-2026

Explore the top triathlons near Oconomowoc for 2025-2026! We've gathered 41 exciting races in the area. Check out our detailed list below to find your next local race.

January 2026
Jan
17-18
Sa - Su

Whitewalker Ultra

Trail Run 100 km
Jan
24
Saturday

Frosty 5K - Waukesha

2 mi 5 km
February 2026
Feb
8
Sunday

Flannel 10K

2 mi 5 km 10 km
Feb
14
Saturday

Steve Cullen Healthy Heart Club Run

2 mi 8 km
Feb
15
Sunday

Cupid Shuffle - Wauwatosa

5 km 10 km
Feb
15
Sunday

Tri Faster Indoor Triathlon

Triathlon
Feb - Mar
28-1
Sa - Su

ARKTOS

Backyard Ultra 6 hr 12 hr 20 hr
March 2026
Mar
14
Saturday

Shake Your Shamrocks

2 mi 5 km 10 km
Mar
29
Sunday

Trailbreaker

Trail Run 5 km 10 km Half Marathon Marathon
April 2026
Apr
4
Saturday

DockHounds Dash

2 mi 5 km
Apr
25
Saturday

Bosom Buddy Run/Walk

5 km
Apr
25
Saturday

The Non Cancelled Marathon

5 km 10 km Half Marathon Marathon
May 2026
May
2-3
Sa - Su

Prickly Pine Jackpot 24 Hour

Backyard Ultra 6 hr 12 hr 24 hr
May
16
Saturday

Furry Friends Run

5 km
May
17
Sunday

Wisconsin Pickle Run

2 mi 5 km
May
23
Saturday

Cedarburg Half Marathon

3 mi 13 mi
June 2026
Jun
7
Sunday

Lake Mills Triathlon

Triathlon
Jun
13-14
Sa - Su

Kettle Moraine

Trail Run 50 km 38 mi 100 km 100 mi
Jun
20
Saturday

Whitewater Trail Challenge

Trail Run 10 km Half Marathon 50 km
July 2026
Jul
25
Saturday

Lake Country Triathlon

Triathlon
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