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Half Marathons found in Michigan in October
View all ↓Half Marathons in Michigan in October 2025
Find A Race is the US's favourite event listings site. Check out our list of October 2025 Half Marathons in Michigan below.
Race Calendar: Half Marathons found in October
🚀Boosted
Oktoberfest Runs @ Stony Creek
Shelby Township, Michigan
05 Oct 25
$54.63 - $129.00
🚀Boosted
13 GHOSTS HALF MARATHON, 13K & 4 MILE TRAIL RUN
Leonard, Michigan
12 Oct 25
$54.50 - $65.10
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Team Running Lab Half / Full Marathon Training Group
Brighton, Michigan
28 Apr 25 - 19 Oct 25
Free
Haunted 1M, 5K, 10K, 15K, & Half Marathon at Mount Hope Park, Grand Ledge, MI (40) 80
Grand Ledge, Michigan
04 Oct 25
$27.75 - $70.15
Sleeping Bear Marathon, Half Marathon & 5K
Empire, Michigan
04 Oct 25
$55.00 - $113.53
Great Lakes Shipwreck Half Marathon and 5K
Paradise, Michigan
04 Oct 25
$22.20 - $38.10
Oktoberfest Runs @ Stony Creek
Shelby Township, Michigan
05 Oct 25
$54.63 - $129.00
Hot Cider Hustle - Lansing Half Marathon, 10K & 5K
Lansing, Michigan
11 Oct 25
$14.94 - $109.24
Lane Walker Foundation Race
Alma, Michigan
11 Oct 25
Free - $59.94
Spooky Sprint - Ann Arbor
Milford, Michigan
11 Oct 25
$20.83 - $50.28
Sandhill Crane All Trail Half Marathon/10K/5K
Vandalia, Michigan
11 Oct 25
Free - $28.00
Probility Ann Arbor Marathon: 5K • 10K • Half-Marathon • Full Marathon • Marathon Relay • Half-Marathon Walk
Ann Arbor, Michigan
11 Oct 25 - 12 Oct 25
Free - $256.90
13 GHOSTS HALF MARATHON, 13K & 4 MILE TRAIL RUN
Leonard, Michigan
12 Oct 25
$54.50 - $65.10
Spooky Sprint- Lansing
Lansing, Michigan
18 Oct 25
$20.83 - $50.28
MTTWM - 2025 Metro Health GR Marathon Half/Full
Grand Rapids, Michigan
19 Oct 25
Free - $27.50
University of Michigan Health-West Grand Rapids Marathon
Grand Rapids, Michigan
19 Oct 25
$49.05 - $284.85
Haunted 1M, 5K, 10K, 15K, & Half Marathon at McCurdy Park, Corunna, MI (43) 50
Corunna, Michigan
25 Oct 25
$27.75 - $70.15
Michigan Monster Dash
Milford, Michigan
25 Oct 25
$28.00 - $70.40
Spooky Sprint - Grand Rapids
Walker, Michigan
26 Oct 25
$20.83 - $50.28
Showing 1-17 of 17 results