IronHorse Marathon

Riceville, IA, USA · May 1, 2027

47°·58° high·Windy·Dry

Weather

Race Day Weather

47°at start

60° high

Windy

Dry

Cool start, moderate winds

Runners will face a temperature rising from 47°F to 59°F with moderate winds at 15 mph from the WSW, gusting to 27 mph. Humidity will be at 65%, indicating a potentially sticky finish. Adjusting pace early is advisable, especially if humidity feels high, and staying hydrated will be key.

Race day forecast available in 237 days

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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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Course Map

FAQ

When is the 2027 IronHorse Marathon?

The 2027 IronHorse Marathon will be held on Saturday May 1, 2027.

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 2027 IronHorse Marathon?

The forecast calls for a high of 65°F and a low of 45°F with a 15% chance of rain. Check our detailed hourly forecast above for the best marathon race plan.

Historical Weather

Based on 2 years of data

Avg Temp

54°F

L:39° H:54°

RunScore

Conditions

Rain Freq

0 of 2 yrs

Wind9mph

Dew34°F

Temperature History

Range of temperatures during race hours for each year.

Detailed History

Year	Conditions	Low / High	Rain	Dew Point	Score
2026 IronHorse Marathon Clear conditions throughout the day. 2026		34°/55°	-	26°
2025 IronHorse Marathon Partly cloudy throughout the day with early morning rain. 2025		44°/52°	-	44°

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