Marathon Races in Iowa
Find upcoming marathon races in Iowa — with dates, locations, and direct registration links.
41 upcoming marathon races found in Iowa
Upcoming Marathon Races in Iowa
MarathonHalf Marathon
Cedar Rapids Marathon Weekend
Jun 7, 2026
Cedar Rapids, IA
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5k Run10K Run
The Bridge of Storm Lake's Run For Our Future 2025
Jun 20, 2026
Storm Lake, IA
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5K10K
Medal Madness 5K, 10K, & 13.1M at Bettendorf, IA (25)
Jun 20, 2026
Bettendorf, IA
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5k Run10K Run
The Bridge of Storm Lake's Run For Our Future
Jun 20, 2026
Storm Lake, IA
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10KMarathon
2026 Heartland Series - Day 5 (IA)
Jul 15, 2026
Clinton, IA
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5KMarathon
50K - Individual Age group/open
Jul 15, 2026
Clinton, IA
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5K10K
5K - Individual Age group/open
Jul 15, 2026
Clinton, IA
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10KMarathon
10K - Individual Age group/open
Jul 15, 2026
Clinton, IA
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10KMarathon
Marathon - Individual Age group/open
Jul 15, 2026
Clinton, IA
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5K10K
Eagle 5K, 10K, & 13.1M at Bettendorf, IA (29)
Jul 18, 2026
Bettendorf, IA
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Kids Dash1 Mile
Heatwave Half Marathon - Des Moines
Jul 26, 2026
Des Moines, IA
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5K WiggleTraining Half Marathon Wiggle
Wapsi Wiggle - A 5K & Half Marathon
Aug 1, 2026
Riceville, IA
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5K10K
Ninja 5K, 10K, & 13.1M at Bettendorf, IA (33)
Aug 15, 2026
Bettendorf, IA
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5K10K
Medal Madness 5K, 10K, & 13.1M at Bettendorf, IA (35)
Aug 29, 2026
Bettendorf, IA
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Step Up Half MarathonStep Up 5k
Step Up Half Marathon, Relay & 5k
Sep 5, 2026
Storm Lake, IA
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Half Marathon10K
NewBo Run Half Marathon & 10k
Sep 6, 2026
Cedar Rapids, IA
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Sioux City Mighty Mo 10KSioux City Mighty Mo Half Marathon
Mighty Mo Run
Sep 11, 2026
Sioux City, IA
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Half Marathon
Wabash Trace Marathon & Half Marathon
Sep 12, 2026
Shenandoah, IA
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Half Marathon10K
Clinton Half Marathon, 10k & 5k
Sep 13, 2026
Clinton, IA
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Half Marathon5K
Dubuque Benefit Classic Half Marathon & 5k
Sep 13, 2026
Dubuque, IA
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5K10K
Medal Madness 5K, 10K, & 13.1M at Bettendorf, IA (38)
Sep 19, 2026
Bettendorf, IA
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5K10K
Iowa Trail Run Series: Yellow River State Forest
Sep 20, 2026
Harpers Ferry, IA
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Half Marathon-RunHalf Marathon-Walk
River’s Edge Trail Half Marathon
Sep 26, 2026
Eldora, IA
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Half Marathon10K
Midwest Greater Des Moines Half Marathon, 10K & 5K
Sep 27, 2026
Des Moines, IA
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5k10k
Golden Harvest Half Marathon & 5k/10k - Des Moines
Sep 27, 2026
Des Moines, IA
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Half Marathon10K
Harvest Half Marathon & 10k
Oct 3, 2026
Sioux Center, IA
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Half MarathonHalf Marathon Relay
The Driftless Half Marathon
Oct 10, 2026
Lansing, IA
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Half Marathon10K
Spooky Sprint – Des Moines Half Marathon, 10k & 5k
Oct 10, 2026
Des Moines, IA
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Half Marathon10K
Hot Cider Hustle - Cedar Rapids Half Marathon, 10K & 5K
Oct 10, 2026
Cedar Rapids, IA
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1Mile5k
Spooky Sprint- Des Moines
Oct 10, 2026
Polk City, IA
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