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56 marathons found for "Michigan", Half marathon, United States. Keep the list broad first, then tighten the filters when a race looks realistic.





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Iron Mountain, Michigan, United States
26SEP
21.1K
Run Iron Mountain Half Marathon | 1OK | 5K | 1 Mile Fun Run
Iron Mountain, Michigan, United States
September 26, 2026 SEP
Thompsonville, Michigan, United States
26SEP
21.1K
Betsie Valley Trail Run
Thompsonville, Michigan, United States
September 26, 2026 SEP
Holland, Michigan, United States
26SEP
42.2K
Gentex Park2Park 1/2 Marathon & 5K for Neighbors Plus
Holland, Michigan, United States
September 26, 2026 SEP
Ann Arbor, Michigan, United States
26SEP
21.1K
Golden Harvest Half Marathon & 5k/10k - Ann Arbor
Ann Arbor, Michigan, United States
September 26, 2026 SEP
Lansing, Michigan, United States
26SEP
21.1K
Medal Madness 5K, 10K, & 13.1M at Lansing, MI
Lansing, Michigan, United States
September 26, 2026 SEP
Sault Sainte Marie, Michigan, United States
26SEP
21.1K
Sault International Festival of Races
Sault Sainte Marie, Michigan, United States
September 26, 2026 SEP
Lansing, Michigan, United States
27SEP
21.1K
Golden Harvest Half Marathon & 5k/10k - Lansing
Lansing, Michigan, United States
September 27, 2026 SEP
Michigan, United States
27SEP
ULTRA
Probility Ann Arbor Marathon
Michigan, United States
September 27, 2026 SEP
Sault Saint Marie, Michigan, United States
27SEP
21.1K
Sault International Festival of Races
Sault Saint Marie, Michigan, United States
September 27, 2026 SEP
Grand Rapids, Michigan, United States
27SEP
21.1K
SHE RUNS Grand Rapids
Grand Rapids, Michigan, United States
September 27, 2026 SEP
Lake Orion, Michigan, United States
27SEP
21.1K
The Rooted Half Marathon & 5K
Lake Orion, Michigan, United States
September 27, 2026 SEP
Grand Ledge, Michigan, United States
03OCT
21.1K
Haunted 5K, 10K, & 13.1M at Grand Ledge, MI
Grand Ledge, Michigan, United States
October 3, 2026 OCT
Empire, Michigan, United States
03OCT
42.2K
Sleeping Bear Marathon, Half Marathon & 5K
Empire, Michigan, United States
October 3, 2026 OCT
Shelby Township, Michigan, United States
04OCT
42.2K
Oktoberfest Runs @ Stony Creek
Shelby Township, Michigan, United States
October 4, 2026 OCT
Ann Arbor, Michigan, United States
05OCT
42.2K
Ann Arbor Marathon
Ann Arbor, Michigan, United States
October 5, 2026 OCT
Lansing, Michigan, United States
10OCT
21.1K
Hot Cider Hustle - Lansing Half Marathon, 10K & 5K
Lansing, Michigan, United States
October 10, 2026 OCT
Alma, Michigan, United States
10OCT
21.1K
Lane Walker Foundation Race
Alma, Michigan, United States
October 10, 2026 OCT
Vandalia, Michigan, United States
10OCT
42.2K
Sandhill Crane All Trail Half Marathon/10K/5K
Vandalia, Michigan, United States
October 10, 2026 OCT
Caledonia, Michigan, United States
10OCT
42.2K
Spooky Sprint - Grand Rapids
Caledonia, Michigan, United States
October 10, 2026 OCT
Michigan, United States
17OCT
ULTRA
Detroit Marathon
Michigan, United States
October 17, 2026 OCT
Corunna, Michigan, United States
17OCT
21.1K
Haunted 5K, 10K, & 13.1M at Corunna, MI
Corunna, Michigan, United States
October 17, 2026 OCT
Michigan, United States
17OCT
ULTRA
Spooky Sprint- Lansing
Michigan, United States
October 17, 2026 OCT
Detroit, Michigan, United States
18OCT
42.2K
Detroit Free Press Marathon
Detroit, Michigan, United States
October 18, 2026 BQ Qualifier
Michigan, United States
18OCT
ULTRA
Lakeshore Long Run
Michigan, United States
October 18, 2026 OCT

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