Des Moines Marathon

Des Moines, IA · October 18, 2026
partly-cloudy-day44°·59° high·Breezy·Dry
8
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Race Day Weather

partly-cloudy-day
44°at start
61° high
Breezy
Dry

Cool start, tailwinds ahead

Runners will face a cool start at 45°F, rising to a comfortable 60°F by the end. Wind speeds will peak at 13 mph from the SW, creating a headwind from miles 2-6 and 14-15, which may slow pace. Runners should adjust their effort during these stretches and take advantage of tailwinds in miles 1, 7, 9-11, 18, 21-22, and 25-26 for optimal performance.

Race day forecast available in 128 days
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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 features the Mercy Live Up Loop 5-Mile Run & 1-Mile Walk and Mercy Children's Hospital & Clinics 1-Mile Youth Run and Jingle Jog on Saturday followed by the IMT Des Moines Marathon & Half Marathon, Bankers Trust Marathon Relay and Principal 5K Road Race on Sunday.
Wikipedia

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 7% chance of rain.

Historical Weather

Based on 21 years of data
Avg Temp
65°F
L:44° H:65°
RunScore
7
Conditions
Rain Freq
0%
0 of 21 yrs
Wind13mph
Dew40°F

Temperature History

Range of temperatures during race hours for each year.

Detailed History

YearConditionsLow / HighRainScoreResults
2025
clear-day
43°/62°-
7
2024
clear-day
52°/81°-
7
2023
cloudy
47°/53°-
8
2022
cloudy
42°/56°-
8
2021
clear-day
41°/71°-
8
2019
partly-cloudy-day
42°/64°-
8
2018
clear-day
27°/57°-
6
2017
cloudy
47°/58°-
7
2016
cloudy
62°/74°-
8
2015
clear-day
38°/65°-
7
2014
clear-day
41°/65°-
7
2013
cloudy
43°/61°-
8
2012
clear-day
46°/78°-
8
2011
partly-cloudy-day
50°/62°-
8
2010
clear-day
42°/65°-
9
2009
partly-cloudy-day
35°/62°-
7
2008
partly-cloudy-day
50°/71°-
7
2007
partly-cloudy-day
59°/71°-
7
2006
cloudy
42°/57°-
7
2004
partly-cloudy-day
36°/59°-
8
2003
partly-cloudy-day
50°/77°-
8