Des Moines Marathon

Runners will face a cool start at 43°F, gradually warming to 63°F. Wind speeds will peak at 16 mph, with significant headwinds between miles 5-6 and 13-20, necessitating pacing adjustments. The average humidity is moderate at 62%, so hydration should be a priority, especially as temperatures rise. A light layer may be useful during pre-race warm-ups when temperatures feel as low as 34°F.

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Distance: 26.2mi

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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

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Race weekend

Sunday, October 18

8:00 AMMarathon (26.2 mi)

8:00 AMHalf Marathon (13.1 mi)

8:00 AM10K (6.2 mi)

8:15 AM5K (3.1 mi)

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 63°F and a low of 40°F with a 0% chance of rain.

Historical Weather

Based on 21 years of data

Avg Temp

52°F

L:44° H:59°

RunScore

Conditions

Rain Freq

0 of 21 yrs

Wind9mph

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°/57°	-	36°
2024 Des Moines Marathon Clear conditions throughout the day. 2024	52°/78°	-	41°
2023 Des Moines Marathon Partly cloudy throughout the day. 2023	47°/52°	-	42°
2022 Des Moines Marathon Partly cloudy throughout the day. 2022	42°/53°	-	34°
2021 Des Moines Marathon Clear conditions throughout the day. 2021	41°/63°	-	37°
2019 Des Moines Marathon Partly cloudy throughout the day with late afternoon rain. 2019	42°/60°	-	45°
2018 Des Moines Marathon Clear conditions throughout the day. 2018	27°/48°	-	25°
2017 Des Moines Marathon Partly cloudy throughout the day. 2017	47°/53°	-	39°
2016 Des Moines Marathon Cloudy skies throughout the day. 2016	62°/68°	-	64°
2015 Des Moines Marathon Clear conditions throughout the day. 2015	38°/60°	-	28°
2014 Des Moines Marathon Clear conditions throughout the day. 2014	41°/60°	-	43°
2013 Des Moines Marathon Partly cloudy throughout the day. 2013	43°/56°	-	39°
2012 Des Moines Marathon Partly cloudy throughout the day. 2012	46°/64°	-	48°
2011 Des Moines Marathon Partly cloudy throughout the day. 2011	50°/57°	-	39°
2010 Des Moines Marathon Partly cloudy throughout the day. 2010	42°/61°	-	31°
2009 Des Moines Marathon Clear conditions throughout the day. 2009	35°/54°	-	34°
2008 Des Moines Marathon Partly cloudy throughout the day. 2008	50°/65°	-	45°
2007 Des Moines Marathon Partly cloudy throughout the day. 2007	59°/71°	-	55°
2006 Des Moines Marathon Cloudy skies throughout the day with rain clearing later. 2006	42°/51°	-	37°
2004 Des Moines Marathon Partly cloudy throughout the day. 2004	36°/47°	-	30°
2003 Des Moines Marathon Clear conditions throughout the day. 2003	50°/69°	-	46°