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Michigan Triathlon Calendar 2025-2026

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Explore the best triathlons in Michigan for 2025-2026! Our updated list features 17 exciting races across the region. Find your next race in Michigan below and join the running community at these great events!

February 2026
Feb
22
Sunday

The Abominable Snow Triathlon

Cross Triathlon
March 2026
Mar
7
Saturday

Gaylord All Outdoors Tri Winter Triathlon

Triathlon
May 2026
May
17
Sunday

Shi-Tri

Triathlon
May
24
Sunday

Bear Lake Triathlon

Triathlon
June 2026
Jun
7
Sunday

Grand Rapids Triathlon

Triathlon
Jun
13
Saturday

M22 Challenge

Multisport
Jun
27
Saturday

Tri Goddess Triathlon

Triathlon
July 2026
Jul
18
Saturday

Cereal City Triathlon

Triathlon
Jul
18
Saturday

TriWalloon

Triathlon
Jul
26
Sunday

Detroit Triathlon

Triathlon
August 2026
Aug
15
Saturday

Tamarac Tri

Triathlon
Aug
15
Saturday

Chesaning Chamber of Commerce Dry-Tri

Multisport
Aug
16
Sunday

Michigan Titanium

Triathlon
Aug
22
Saturday

Barron Lake Triathlon

Triathlon
September 2026
Sep
13
Sunday

Dragon Trails Triathlon

Triathlon
Sep
20
Sunday

Ironman 70.3 Michigan

Triathlon
October 2026
Oct
3
Saturday

Grand River Color Tour Triathlon

Triathlon
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