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Ultra Marathons found in Michigan in Summer
View all ↓Ultra Marathons in Michigan in Summer 2026
Find A Race is the US's favourite event listings site. Check out our list of Summer 2026 Ultra Marathons in Michigan below.
Race Calendar: Ultra Marathons found in Summer
🚀Boosted
Michigan Titanium
Grand Rapids, Michigan
Sun 16 Aug 26
$55.15 - $578.95
🚀Boosted
The FRED Running Relays - 25 Mile - 50 Mile - 100 Mile - 200 Mile
Rockford, Michigan
Fri 10 Jul 26 - Sat 11 Jul 26
$43.40 - $91.10
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Summer Trail Fest Ultra 50K, Half Marathon, & 5 Miler
Laingsburg, Michigan
Sat 13 Jun 26
Free - $116.48
The FRED Running Relays - 25 Mile - 50 Mile - 100 Mile - 200 Mile
Rockford, Michigan
Fri 10 Jul 26 - Sat 11 Jul 26
$43.40 - $91.10
Michigan Titanium
Grand Rapids, Michigan
Sun 16 Aug 26
$55.15 - $578.95
Grand Rapids Triathlon
Ada, Michigan
Sun 07 Jun 26
$48.08 - $347.95
Showing 1-4 of 4 results