IronHorse Marathon
The IronHorse Marathon is a small border-country race on the WGWL trail system that doubles as a Boston qualifier and crosses between Iowa and Minnesota.
Quick facts
- Runs on the WGWL trail system, with half the course in Iowa and half in Minnesota.
- Officially promoted as a Boston qualifier.
- Smaller-field race with rail-trail footing rather than a big-city road setup.
- Official results hub is already live for the 2026 event.
Is registration open for the 2027 IronHorse Marathon?
Registration for the 2027 IronHorse Marathon is open.
About the IronHorse Marathon
The IronHorse Marathon is built for runners who want a smaller field and a cleaner day than a city race usually offers. Its Iowa-Minnesota border setting and rail-trail focus give it a very different personality from a downtown road marathon.
Course
The marathon uses the Wapsi-Great Western trail corridor, with crushed-limestone rail-trail miles and long uninterrupted stretches that reward steady pacing. Part of the appeal is the split identity of the route: half in Minnesota, half in Iowa.
Race-day weather
Early May in farm country often starts cool enough for good marathon running, but wind is the variable that matters most. Exposed trail sections can feel much tougher if the breeze turns or the temperature rises late.
Past IronHorse Marathon dates and results
| Year | Date | Status | Results |
|---|---|---|---|
| 2027 | Saturday, May 1, 2027 | Upcoming | — |
| 2026 | Saturday, May 2, 2026 | Completed | Open results |
| 2025 | Saturday, May 3, 2025 | Completed | Open results |
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IronHorse Marathon FAQ
When is the IronHorse Marathon?
The 2027 IronHorse Marathon is on Saturday, May 1, 2027.
Is registration open for the 2027 IronHorse Marathon?
Registration for the 2027 IronHorse Marathon is open. View the official registration details at runsignup.com.
Is IronHorse Marathon a Boston qualifier?
Yes. IronHorse Marathon is a Boston Marathon qualifier. To use the result, you must run the certified full-marathon course within the qualifying window and meet the current standard for your age and gender. Meeting the standard lets you apply but does not guarantee entry, and net-downhill courses can receive a time adjustment under current B.A.A. rules. Review the Boston qualifying times and downhill-course rules, or browse upcoming Boston qualifier marathons.
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