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Ultra Marathons found in Michigan

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Ultra Marathons in Michigan 2025 - 2026

The most comprehensive list of Ultra Marathons in and near Michigan in 2025 - 2026. Find your perfect race!

Race Calendar: Ultra Marathons found in Michigan

🚀Boosted

Grand Rapids Triathlon

Ada, Michigan
07 Jun 25 - 08 Jun 25
$60.80 - $389.95
🚀Boosted

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

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