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Marathons in Iowa, United States

54 upcoming marathons listed in Iowa across 1 city. Next: Ninja 5K, 10K, & 13.1M at Des Moines, IA on August 8, 2026.

54marathons upcoming
1city
August 8, 2026Next race
Marathon, Half marathon, Ultra, 10K, 5K, RelayDistances
Dubuque, Iowa, United States
08AUG
42.2K
Mines of Spain Trail Races
Dubuque, Iowa, United States
August 8, 2026 AUG
Des Moines, Iowa, United States
08AUG
21.1K
Ninja 5K, 10K, & 13.1M at Des Moines, IA
Des Moines, Iowa, United States
August 8, 2026 AUG
Bettendorf, Iowa, United States
15AUG
21.1K
Ninja 5K, 10K, & 13.1M at Bettendorf, IA
Bettendorf, Iowa, United States
August 15, 2026 AUG
Bettendorf, Iowa, United States
29AUG
21.1K
Medal Madness 5K, 10K, & 13.1M at Bettendorf, IA
Bettendorf, Iowa, United States
August 29, 2026 AUG
Long Grove, Iowa, United States
29AUG
ULTRA
ScoCo50
Long Grove, Iowa, United States
August 29, 2026 AUG
Iowa, United States
29AUG
ULTRA
Step Up Half Marathon
Iowa, United States
August 29, 2026 AUG
Bussey, Iowa, United States
29AUG
ULTRA
Victory Lane Backyard 12
Bussey, Iowa, United States
August 29, 2026 AUG
Iowa, United States
30AUG
ULTRA
New Bo Run
Iowa, United States
August 30, 2026 AUG
Booneville, Iowa, United States
05SEP
ULTRA
Booneville Backroads Ultra
Booneville, Iowa, United States
September 5, 2026 SEP
Storm Lake, Iowa, United States
05SEP
21.1K
Step Up Half Marathon, Relay & 5k
Storm Lake, Iowa, United States
September 5, 2026 SEP
Cedar Rapids, Iowa, United States
06SEP
21.1K
NewBo Run
Cedar Rapids, Iowa, United States
September 6, 2026 SEP
Sioux City, Iowa, United States
11SEP
42.2K
Mighty Mo Run
Sioux City, Iowa, United States
September 11, 2026 SEP
Iowa, United States
12SEP
ULTRA
Hometown Half Marathon & 5k/10k - Cedar Falls
Iowa, United States
September 12, 2026 SEP
Des Moines, Iowa, United States
12SEP
21.1K
Medal Madness 5K, 10K, & 13.1M at Des Moines, IA
Des Moines, Iowa, United States
September 12, 2026 SEP
Shenandoah, Iowa, United States
12SEP
42.2K
Wabash Trace Running Festival
Shenandoah, Iowa, United States
September 12, 2026 SEP
Dubuque, Iowa, United States
13SEP
21.1K
Dubuque Benefit Classic - 48th Annual
Dubuque, Iowa, United States
September 13, 2026 SEP
Bettendorf, Iowa, United States
19SEP
21.1K
Medal Madness 5K, 10K, & 13.1M at Bettendorf, IA
Bettendorf, Iowa, United States
September 19, 2026 SEP
Harpers Ferry, Iowa, United States
20SEP
21.1K
Iowa Trail Run Series: Yellow River State Forest
Harpers Ferry, Iowa, United States
September 20, 2026 SEP
Eldora, Iowa, United States
26SEP
21.1K
River’s Edge Trail Half Marathon
Eldora, Iowa, United States
September 26, 2026 SEP
Des Moines, Iowa, United States
27SEP
21.1K
Golden Harvest Half Marathon & 5k/10k - Des Moines
Des Moines, Iowa, United States
September 27, 2026 SEP
Des Moines, Iowa, United States
27SEP
21.1K
Midwest Greater Des Moines Half Marathon, 10K & 5K
Des Moines, Iowa, United States
September 27, 2026 SEP
Sioux Center, Iowa, United States
03OCT
21.1K
Harvest Half Marathon and 10K
Sioux Center, Iowa, United States
October 3, 2026 OCT
Iowa, United States
03OCT
ULTRA
Spooky Sprint Des Moines
Iowa, United States
October 3, 2026 OCT
Des Moines, Iowa, United States
10OCT
42.2K
Haunted 5K, 10K, 13.1M & 26.2M at Des Moines, IA
Des Moines, Iowa, United States
October 10, 2026 OCT

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Cities

Place Marathons
Des Moines 1

Planning notes for Iowa, United States

Use this region page to shortlist 54 upcoming races by date, distance, registration path, and official source.

  • Next raceNinja 5K, 10K, & 13.1M at Des Moines, IA on August 8, 2026
  • Busy monthsOctober (17), September (13), August (8)
  • DistancesMarathon, Half marathon, Ultra, 10K, 5K, Relay
  • VerifyOpen each race page, then confirm details from its official, registration, course-map, or source link.

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