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Ultra Marathons found in Michigan in Summer
View all ↓Ultra Marathons in Michigan in Summer 2025
Find A Race is the US's favourite event listings site. Check out our list of Summer 2025 Ultra Marathons in Michigan below.
Race Calendar: Ultra Marathons found in Summer
Grand Rapids Triathlon
Ada, Michigan
07 Jun 25 - 08 Jun 25
$51.61 - $337.45
Summer Trail Fest Ultra, Half Marathon & 5 Miler
Laingsburg, Michigan
14 Jun 25
$40.00 - $113.30
The FRED Running Relays - 25 Mile - 50 Mile - 100 Mile - 200 Mile
Rockford, Michigan
11 Jul 25 - 12 Jul 25
$43.40 - $91.10
TridelSol Olympic, Sprint & Super Sprint Triathlon, Duathlon, Aquabike, Relay & Swim Only Event
Middleville, Michigan
20 Jul 25
$32.80 - $181.20
Michigan Titanium
Grand Rapids, Michigan
10 Aug 25 - 11 Aug 25
Free - $557.95
Copper Harbor Trails Fest
Copper Harbor, Michigan
30 Aug 25 - 31 Aug 25
Free - $59.30
Showing 1-6 of 6 results