Predict the 2027 Boston Cut-off Time and win a great prize and bragging rights among all your running friends.
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Iowa has 8 active marathons this year. Races are most common in April, October, and September. Course terrain for these courses is most often rolling hills or hilly. Typical race day temperatures range from 41°F to 73°F.
Popular races include the Des Moines Marathon, Cedar Rapids Marathon, and Des Moines St. Paddys Marathon. There is 1 new marathon in Iowa this year — Lewis and Clark Marathon. 6 certified courses can be great Boston qualifier options. Races with the best Boston qualifying percentages include the Des Moines St. Paddys Marathon — 9.5% BQ and IronHorse Marathon — 9.1% BQ.
| Iowa Marathons |
Course
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PR Score
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|---|---|---|---|---|---|---|---|
Des Moines St. Paddys MarathonDes Moines, IA03/13/2027 |  Rolling Hills 201 Finishers |
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Kewash MarathonWashington, IA04/24/2027 | Rolling Hills96 Finishers |
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Lewis and Clark MarathonCouncil Bluffs, IA04/24/2027 |  Mostly Flat
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Cedar Rapids MarathonCedar Rapids, IA04/25/2027 | Rolling Hills609 Finishers |
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IronHorse MarathonRiceville, IA05/01/2027 | Rolling Hills22 Finishers |
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Moorehead Park Trail MazathonIda Grove, IA08/01/2026 |  Hilly9 Finishers |
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Wabash Trace Nature Trail MarathonShenandoah, IA09/12/2026 | Rolling Hills45 Finishers |
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Des Moines MarathonDes Moines, IA10/18/2026 | Rolling Hills1,889 Finishers |
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