0005
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
🚀Boosted
TridelSol Olympic, Sprint & Super Sprint Triathlon, Duathlon, Aquabike, Relay & Swim Only Event
Middleville, Michigan
20 Jul 25
$32.80 - $181.20
🚀Boosted
Copper Harbor Trails Fest
Copper Harbor, Michigan
30 Aug 25 - 31 Aug 25
Free - $64.60
Feature your event at the top of the results
100 Miles a Month
Royal Oak, Michigan
01 Jun 25 - 01 Oct 25
Free - $11.60
The FRED Running Relays - 25 Mile - 50 Mile - 100 Mile - 200 Mile
Rockford, Michigan
11 Jul 25 - 12 Jul 25
$54.00 - $117.60
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 - $631.45
Copper Harbor Trails Fest
Copper Harbor, Michigan
30 Aug 25 - 31 Aug 25
Free - $64.60
Showing 1-5 of 5 results