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Ultra Marathons found in Michigan
View all ↓Ultra Marathons in Michigan 2025 - 2026
The most comprehensive list of Ultra Marathons in and near Michigan in 2025 - 2026. Find your perfect race!
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Race Calendar: Ultra Marathons found in Michigan
πBoosted
Grand Rapids Triathlon
Ada, Michigan
07 Jun 25 - 08 Jun 25
$60.80 - $389.95
πBoosted
The Dirty Mitten Gravel Triathlon
Middleville, Michigan
21 Sep 25
$62.21 - $160.44
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100 Miles a Month
Royal Oak, Michigan
01 Jun 25 - 01 Oct 25
Free - $11.60
Grand Rapids Triathlon
Ada, Michigan
07 Jun 25 - 08 Jun 25
$60.80 - $389.95
Summer Trail Fest Ultra, Half Marathon & 5 Miler
Laingsburg, Michigan
14 Jun 25
Free - $123.90
The FRED Running Relays - 25 Mile - 50 Mile - 100 Mile - 200 Mile
Rockford, Michigan
11 Jul 25 - 12 Jul 25
$48.70 - $101.70
TridelSol Olympic, Sprint & Super Sprint Triathlon, Duathlon, Aquabike, Relay & Swim Only Event
Middleville, Michigan
20 Jul 25
$32.80 - $181.20
Marsh Madness
South Rockwood, Michigan
01 Aug 25 - 02 Aug 25
Free
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
Camp Quality's Go Gold for the Kids 5k
Flushing, Michigan
07 Sep 25 - 29 Sep 25
Free - $22.75
PEDALS
Cannonsburg, Michigan
14 Sep 25
Free - $62.30
The Dirty Mitten Gravel Triathlon
Middleville, Michigan
21 Sep 25
$62.21 - $160.44
Heritage 13.1 & 50K Trail Run
Adrian, Michigan
28 Sep 25
$85.80 - $107.00
Wolverine State 100
Petoskey, Michigan
11 Oct 25 - 12 Oct 25
Free - $327.50
Showing 1-13 of 13 results