The 2026 IronHorse Marathon has concluded.

IronHorse Marathon

Race complete
Riceville, IA, USA · May 2, 2026
clear-day33°·55° high·Breezy·Dry
8
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Race Day Weather

clear-day
33°at start
60° high
Breezy
Dry

Cool start, mild finish

Runners will face a temperature rise from 33°F at the start to a mild 55°F by race end. Wind will be a gentle W with speeds peaking at 11 mph and gusts at 16 mph. With average humidity at 50%, runners can maintain their pace comfortably, but should dress in layers for the early chill.

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Pace Calculator

Distance: 26.2mi
0:00:00
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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

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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 63°F and a low of 33°F with a 0% chance of rain. Check our detailed hourly forecast above for the best marathon race plan.

Historical Weather

Based on 1 years of data
Avg Temp
52°F
L:44° H:52°
RunScore
9
Conditions
Rain Freq
0%
0 of 1 yrs
Wind7mph
Dew44°F

Temperature History

Range of temperatures during race hours for each year.

Detailed History

YearConditionsLow / HighRainScore

2025 IronHorse Marathon

Partly cloudy throughout the day with early morning rain.

2025
cloudy
44°/52°-
8
Free guidesMarathon Fueling Guide·Carb Loading Guide·Race Morning Guide·Race Day Gear Guide·Pacing Strategy Guide·Mental Strategy Guide

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