Des Moines Marathon

Des Moines, IA · October 18, 2026

44°·59° high·Breezy·Dry

Weather

Race Day Weather

44°at start

61° high

Breezy

Dry

Cool start, moderate wind shifts

Runners will face a temperature increase from 44°F at the start to 60°F by the finish. Wind will start with a tailwind but shift to headwinds from miles 2-6 and 14-15, requiring strategic pacing adjustments. With humidity at 60%, a conservative start is advisable. Light gear for the pre-race wait may be beneficial, especially as feels-like temperatures dip to 40°F.

Race day forecast available in 5 days

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Distance: 26.2mi

Target Finish Time

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Race Info

The IMT Des Moines Marathon is a marathon held annually in downtown Des Moines, Iowa. It serves as a qualifier for the Boston Marathon. Race weekend includes the IMT Marathon, IMT Half Marathon, Bankers Trust Marathon Relay, and Bankers Trust 10K, plus the Healthiest State Initiative 5K presented by HealthPartners, all held Sunday. A free Kids Run presented by the Des Moines Children's Museum takes place Sunday afternoon. Wikipedia

Website

FAQ

When is the 2026 Des Moines Marathon?

The 2026 Des Moines Marathon will be held on Sunday October 18, 2026.

Is the Des Moines Marathon a Boston Marathon Qualifier?

Yes, the Des Moines Marathon is an official Boston Marathon qualifier.

What will the weather be like for the 2026 Des Moines Marathon?

The forecast calls for a high of 64°F and a low of 45°F with a 5% chance of rain.

Historical Weather

Based on 21 years of data

Avg Temp

65°F

L:44° H:65°

RunScore

Conditions

Rain Freq

0 of 21 yrs

Wind13mph

Dew40°F

Temperature History

Range of temperatures during race hours for each year.

Detailed History

Year	Low / High	Rain	Dew Point
2025 Des Moines Marathon Clear conditions throughout the day. 2025	43°/62°	-	34°
2024 Des Moines Marathon Clear conditions throughout the day. 2024	52°/81°	-	43°
2023 Des Moines Marathon Partly cloudy throughout the day. 2023	47°/53°	-	40°
2022 Des Moines Marathon Partly cloudy throughout the day. 2022	42°/56°	-	33°
2021 Des Moines Marathon Clear conditions throughout the day. 2021	41°/71°	-	38°
2019 Des Moines Marathon Partly cloudy throughout the day with late afternoon rain. 2019	42°/64°	-	44°
2018 Des Moines Marathon Clear conditions throughout the day. 2018	27°/57°	-	26°
2017 Des Moines Marathon Partly cloudy throughout the day. 2017	47°/58°	-	39°
2016 Des Moines Marathon Cloudy skies throughout the day. 2016	62°/74°	-	65°
2015 Des Moines Marathon Clear conditions throughout the day. 2015	38°/65°	-	29°
2014 Des Moines Marathon Clear conditions throughout the day. 2014	41°/65°	-	44°
2013 Des Moines Marathon Partly cloudy throughout the day. 2013	43°/61°	-	40°
2012 Des Moines Marathon Partly cloudy throughout the day. 2012	46°/78°	-	51°
2011 Des Moines Marathon Partly cloudy throughout the day. 2011	50°/62°	-	37°
2010 Des Moines Marathon Partly cloudy throughout the day. 2010	42°/65°	-	26°
2009 Des Moines Marathon Clear conditions throughout the day. 2009	35°/62°	-	35°
2008 Des Moines Marathon Partly cloudy throughout the day. 2008	50°/71°	-	47°
2007 Des Moines Marathon Partly cloudy throughout the day. 2007	59°/71°	-	53°
2006 Des Moines Marathon Cloudy skies throughout the day with rain clearing later. 2006	42°/57°	-	39°
2004 Des Moines Marathon Partly cloudy throughout the day. 2004	36°/59°	-	31°
2003 Des Moines Marathon Clear conditions throughout the day. 2003	50°/77°	-	47°

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