Ultra Marathons in Michigan in Summer 2025

Grand Rapids Triathlon

Ada, Michigan

07 Jun 25 - 08 Jun 25

$44.55 - $316.45

View Event

Summer Trail Fest Ultra, Half Marathon & 5 Miler

Laingsburg, Michigan

14 Jun 25

$39.00 - $112.30

View Event

The FRED Running Relays - 25 Mile - 50 Mile - 100 Mile - 200 Mile

Rockford, Michigan

12 Jul 25

$43.40 - $91.10

View Event

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

Middleville, Michigan

20 Jul 25

$32.80 - $160.00

View Event

Michigan Titanium

Grand Rapids, Michigan

10 Aug 25 - 11 Aug 25

Free - $557.95

View Event

Copper Harbor Trails Fest

Copper Harbor, Michigan

30 Aug 25 - 31 Aug 25

Free - $59.30

View Event