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!

December 2025
Dec
13
Saturday

Tinsel Toes 5K

5 km
Dec
14
Sunday

Shelby Township Jingle Bell Run

5 km
Dec
20
Saturday

Half Marathon at McCurdy Park

5 km 10 km 15 km 13 mi
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
Jan
31
Saturday

Couple Shuffle - Ann Arbor

2 mi 5 km 10 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
14
Saturday

Paczki Run

5 km
Feb
21
Saturday

Winter Trail Fest 13.1 Mile Westside

Trail Run 5 mi 13 mi
Feb
22
Sunday

The Abominable Snow Triathlon

Cross Triathlon
March 2026
Mar
14
Saturday

Pi Day 5k - Lansing

5 km 10 km
April 2026
Apr
11
Saturday

Dirty 30 Gravel

10 km 50 km
Apr
11
Saturday

Carpe Noctem Half Marathon

10 km 13 mi
Apr
18
Saturday

Lace Up for Libraries 5K Run/Walk

5 km
Apr
25
Saturday

Hurt The Dirt Trail Races

6 mi 13 mi 26 mi
Apr
25
Saturday

Wood Memorial Trout Run

5 km 10 km
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