Michigan Triathlon Calendar 2025-2026

Header image

Explore the best triathlons in Michigan for 2025-2026! Our updated list features 491 exciting races across the region. Find your next race in Michigan below and join the running community at these great events!

December 2025
Dec
20
Saturday

Candy Cane Course - Lansing

5 km 12 km
Dec
21
Sunday

Bad Santa Trail Run

Trail Run 5 km
Dec
31
Wednesday

Reeds Lake Resolution Run

4 mi
January 2026
Jan
23-24
Fr - Sa

Noquemanon Ski Marathon

Trail Run 25 km 50 km
Jan
24
Saturday

MRM Frozen Buttcheek

5 km
February 2026
Feb
7
Saturday

Winterläufe - The Winter Race

Trail Run 8 km
Feb
14
Saturday

Winter Trail Fest Half Marathon

Trail Run 5 mi 13 mi
Feb
28
Saturday

Winter Trail Fest 13.1 Mile Westside

Trail Run 5 mi 13 mi
March 2026
Mar
7
Saturday

Great Bear Chase

3 km 4 km ... 25 km 50 km
May 2026
May
16
Saturday

Veterans Connected 10k

5 km 10 km
October 2120
Oct
31
Thursday

Fantastic Fake 5K

5 km 8 km
Articles
The Beauty of the Easy Run — Why slowing down might be the smartest thing you do for your running
Mizuno Wave Rider 28: Elevating the Legacy of a Running Icon
Garmin Forerunner Review: Garmin Forerunner Series
Stride with Confidence: A Comprehensive Guide to Saucony Running Shoes