IronHorse Marathon

Riceville, IA, USA · May 2, 2026

38°·41° high·Breezy·Dry

Weather

Race Day Weather

38°at start

45° high

Breezy

Dry

Cool conditions, steady pace advised

Runners will face cool temperatures ranging from 38°F at the start to a maximum of 43°F. Winds from the NNW at 13 mph may create a slight headwind throughout, and high humidity at 89% could impact comfort. Runners should consider adjusting their pace conservatively to maintain energy levels.

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Distance: 26.2mi

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Race Info

The IronHorse Races include a Full Marathon, Half Marathon, 10K and 5K Run. All are USATF Sanctioned. The Full Marathon, Half Marathon and 5K are USATF Certified. The Full Marathon takes place on the Wapsi-Great Western Line (WGWL) Trail located in Riceville, Iowa and the Shooting Star Trail in Minnesota. The Half Marathon, 10K and 5K take place on the WGWL Trail. The WGWL Trail has a Northern Branch and a Southern Branch. The races take place on the Rails-to-Trails recognized paved and concrete laid Northern Branch. The Iowan WGWL Trail is the first and official interstate trail connecting to Minnesota’s Shooting Star Trail. Source

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FAQ

When is the 2026 IronHorse Marathon?

The 2026 IronHorse Marathon will be held on Saturday May 2, 2026.

Is the IronHorse Marathon a Boston Marathon Qualifier?

Yes, the IronHorse Marathon is an official Boston Marathon qualifier.

What is the time limit for the IronHorse Marathon?

The time limit for the IronHorse Marathon is 6 hours.

What will the weather be like for the 2026 IronHorse Marathon?

The forecast calls for a high of 47°F and a low of 38°F with a 13% chance of rain. Check our detailed hourly forecast above for the best marathon race plan.