Triathlon Race Calendar in Michigan, United States

myTEAM TRIUMPH West MI -- GR Triathlon Sprint -- Captain & Angel Registration

Ada, Michigan, United States

07 Jun, 2026 (Sun)

Triathlon

5K

Cereal City Triathlon Training

Battle Creek, Michigan, United States

07 Jun, 2026 (Sun) – 18 Jul, 2026

$10.00

Triathlon

Sunday Morning - Goguac Lake BANDEEN/HUOT Monday Evening - Goguac Lake NEWTON/DELONG Tuesday Evening - Goguac Lake - COOLEY/UNSER Friday Afternoon - Eagle Lake (Fort Custer) BEECH/TIFFANY/OLEKSA

Grand Rapids Triathlon

Ada, Michigan, United States

07 Jun, 2026 (Sun)

$56.33 - $399.00

Triathlon, Duathlon, Aquabike, Swimming

12.8K 15K 10.3K 25.6K +17

M22 Challenge

Empire, Michigan, United States

13 Jun, 2026 (Sat)

Triathlon

34.6K

AuSable Valley Triathlon

Mio, Michigan, United States

13 Jun, 2026 (Sat)

$55.00

Triathlon

24.1K

River Trail Adventure Triathlon

Lowell, Michigan, United States

20 Jun, 2026 (Sat)

$55.00 - $105.00

Triathlon

16.1K 33.8K

South Haven Triathlon

South Haven, Michigan, United States

20 Jun, 2026 (Sat)

$59.67 - $129.00

Triathlon, Aquabike, Duathlon

25.8K Half-Marathon 25K +1

Tri Goddess Triathlon

Grass Lake, Michigan, United States

27 Jun, 2026 (Sat)

$49.00 - $259.00

Triathlon, Aquabike, Swimming

22.2K 17.7K 1.6K

Anchor Bay Triathlon

New Baltimore, Michigan, United States

11 Jul, 2026 (Sat)

$125.00 - $160.00

Triathlon

23.3K

TriWalloon

Walloon Lake, Michigan, United States

18 Jul, 2026 (Sat)

$130.00 - $180.00

Triathlon, Aquabike, Duathlon

25.6K 25.7K Half-Marathon 29.9K +2

myTEAM TRIUMPH West MI -- TRIDELSOL -- Captain & Angel Registration

Middleville, Michigan, United States

19 Jul, 2026 (Sun)

Free - $25.00

Triathlon

5K

TridelSol Olympic, Sprint & Super Sprint Triathlon, Duathlon, Aquabike, Relay & Swim Only Event

Middleville, Michigan, United States

19 Jul, 2026 (Sun)

$30.00 - $140.00

Triathlon, Duathlon, Aquabike, Swimming, Cycling, Running

Ultra 41.5K 1.5K 40K +8