Upcoming Half Marathon Races In Iowa, US in September, 2025

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Mighty Mo Run logo

Mighty Mo Run

Sioux City, IA

Friday, September 12th, 2025

Half
10K
5K
View details for race Mighty Mo Run
Midwest Greater Des Moines Half Marathon, 10K & 5K logo

Midwest Greater Des Moines Half Marathon, 10K & 5K

Des Moines, IA

Sunday, September 21st, 2025

10K
1 Mile
5K
View details for race Midwest Greater Des Moines Half Marathon, 10K & 5K
Iowa Trail Run Series: Yellow River State Forest logo

Iowa Trail Run Series: Yellow River State Forest

Harpers Ferry, IA

Sunday, September 21st, 2025

10K
5K
Half
View details for race Iowa Trail Run Series: Yellow River State Forest
River’s Edge Trail Half Marathon logo

River’s Edge Trail Half Marathon

Eldora, IA

Saturday, September 27th, 2025

Half
View details for race River’s Edge Trail Half Marathon
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