Wisconsin Triathlon Calendar 2025-2026

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Explore the best triathlons in Wisconsin for 2025-2026! Our updated list features 286 exciting races across the region. Find your next race in Wisconsin below and join the running community at these great events!

October 2025
Oct
18
Saturday

National Sweetest Day

5 km 10 km 13 mi
Oct
18
Saturday

Haunted Hustle Run

5 km 10 km 13 mi
Oct
18
Saturday

Black River Trail Classic

Trail Run 10 km 25 km 50 km 85 km
Oct
19
Sunday

Black Hawk Ridge Trail Run

Trail Run
Oct
25
Saturday

Mosquito Hill Endurance Run

Backyard Ultra 5 km 3 hr 6 hr 12 hr
Oct
25
Saturday

Door County Fall 50

Trail Run 50 mi
Oct
25
Saturday

Among the Trees

Trail Run 50 km 100 km
Oct
25
Saturday

Hot Cider Hustle - Shorewood

5 km 13 mi
Oct
26
Sunday

Hot Cider Hustle - Green Bay

5 km 13 mi
November 2025
Nov
1
Saturday

Run Like a Rubber Clucker

2 mi 5 km
Nov
1
Saturday

Icebox 480/240

Backyard Ultra 4 hr 8 hr
Nov
1
Saturday

Houdini 10K

10 km
Nov
8
Saturday

Run4Randi

5 km
Nov
8
Saturday

Vets Day 10K

5 km 10 km
Nov
8
Saturday

Frosty Rock Challenge

5 km 12 km
Nov
9
Sunday

Rendered Run

6 mi 13 mi
Nov
9
Sunday

Madison Marathon

10 km 13 mi 26 mi
Nov
15
Saturday

Bucks & Does 13.1

Trail Run 3 mi 6 mi 13 mi
Nov
15
Saturday

Bucks & Does Thirteen Pointer Trail Races

3 mi 6 mi 13 mi
Nov
15
Saturday

Fast Eddie 50k

Trail Run 5 km 50 km
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