Michigan Triathlon Calendar 2025-2026

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Explore the best triathlons in Michigan for 2025-2026! Our updated list features 317 exciting races across the region. Find your next race in Michigan below and join the running community at these great events!

April 2026
Apr
26
Sunday

Kalamazoo Marathon

5 km 10 km 13 mi 26 mi
May 2026
May
9
Saturday

I Support the K9s Color Run 5K

5 km
May
9
Saturday

Run for the Buds

5 km
May
9
Saturday

Crossroads Community Care 5K

5 km
May
16
Saturday

Veterans Connected 10k

5 km 10 km
May
16
Saturday

Foreshore Adventure Run

Obstacle Run 5 km
May
17
Sunday

Dragon Dash

5 km
May
17
Sunday

Sgt Chris Hampton Memorial 5k

5 km
May
17
Sunday

Shi-Tri

Triathlon
May
23-24
Sa - Su

Back 9 Endurance Run

Backyard Ultra 12 hr 24 hr
May
31
Sunday

Dexter-Ann Arbor Run

5 km 10 km 13 mi
June 2026
Jun
6
Saturday

Hanson Hills Challenge Trail Run

Trail Run 3 mi 5 mi
Jun
6
Saturday

Another Clucking 5K

5 km
Jun
6
Saturday

Stop the Traffick

5 km
Jun
7
Sunday

Happy Soles 5k Run/Walk/Bike & Virtual Challenge

5 km
Jun
13-14
Sa - Su

Tough Mudder - Michigan

Obstacle Run 5 km 15 km
October 2120
Oct
30
Wednesday

Fantastic Fake 5K

5 km 8 km
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