IronHorse Marathon

Riceville, IA, USA • May 2, 2026

Race Day Weather

45°

61° high

Breezy

Dry

Cool start, warming trend ahead

Runners will face a temperature rising from 45°F to a maximum of 60°F, with an average humidity of 68% and a dew point of 41°F. Winds will be from the SSW at 14 mph, gusting to 25 mph, creating a headwind throughout. Runners should consider adjusting their pace as the temperature rises and stay hydrated to combat the humidity.

Race day forecast available in 25 days

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Pace Calculator

Distance: 26.2mi

Target Finish Time

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Pace

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Common Goals:

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

Course Map

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 61°F and a low of 45°F with a 0% chance of rain. Check our detailed hourly forecast above for the best marathon race plan.