GO! St. Louis Marathon

St. Louis, MO, USA • April 11, 2026
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partly-cloudy-day Partly cloudy throughout the day.

Discover the excitement of the Greater St. Louis Marathon, set to take the city by storm in April. This not-to-be-missed event promises a weekend filled with new courses, iconic landmarks, and vibrant celebrations, including the first-ever National Running Club Championships & Rally. Source

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When is the 2026 GO! St. Louis Marathon?

The 2026 GO! St. Louis Marathon will be held on Saturday April 11, 2026.

Is the GO! St. Louis Marathon a Boston Marathon Qualfier?

Yes, the GO! St. Louis Marathon is an official Boston Marathon qualifier.

What is the time limit for the GO! St. Louis Marathon?

The time limit for the GO! St. Louis Marathon is 6.5 hours.

Historical Weather

Based on 24 years of data
Avg Temp
64°F
L:49°H:64°
RunScore
7
Conditions
Rain Freq
21%
5 of 24 yrs
Wind11mph
Dew45°F

Temperature History

Range of temperatures during race hours for each year.

Detailed History

YearConditionsLow / HighRainScoreResults

2025 GO! St. Louis Marathon

Partly cloudy throughout the day.

2025
cloudy
54°/61°-
9

2024 GO! St. Louis Marathon

Partly cloudy throughout the day with rain.

2024
rain
65°/76°Light
7

2023 GO! St. Louis Marathon

Clear conditions throughout the day.

2023
clear-day
39°/63°-
7

2022 GO! St. Louis Marathon

Partly cloudy throughout the day.

2022
partly-cloudy-day
40°/65°-
7

2021 GO! St. Louis Marathon

Cloudy skies throughout the day with a chance of rain throughout the day.

2021
rain
57°/60°Light
6

2020 GO! St. Louis Marathon

Partly cloudy throughout the day with afternoon rain.

2020
partly-cloudy-day
69°/74°Light
8

2020 GO! St. Louis Marathon

Partly cloudy throughout the day with rain.

2020
partly-cloudy-day
58°/71°-
8

2019 GO! St. Louis Marathon

Partly cloudy throughout the day with rain.

2019
partly-cloudy-day
56°/75°-
8

2018 GO! St. Louis Marathon

Clearing in the afternoon.

2018
partly-cloudy-day
25°/36°-
5

2017 GO! St. Louis Marathon

Partly cloudy throughout the day.

2017
cloudy
63°/79°-
7

2016 GO! St. Louis Marathon

Partly cloudy throughout the day.

2016
clear-day
31°/44°-
8

2015 GO! St. Louis Marathon

Partly cloudy throughout the day.

2015
partly-cloudy-day
43°/62°-
9

2014 GO! St. Louis Marathon

Partly cloudy throughout the day.

2014
partly-cloudy-day
39°/56°-
8

2013 GO! St. Louis Marathon

Partly cloudy throughout the day with late afternoon rain.

2013
partly-cloudy-day
54°/75°-
8

2012 GO! St. Louis Marathon

Partly cloudy throughout the day with late afternoon rain.

2012
partly-cloudy-day
68°/76°-
6

2011 GO! St. Louis Marathon

Partly cloudy throughout the day.

2011
clear-day
71°/87°-
6

2010 GO! St. Louis Marathon

Partly cloudy throughout the day.

2010
partly-cloudy-day
53°/77°-
8

2009 GO! St. Louis Marathon

Cloudy skies throughout the day with a chance of rain throughout the day.

2009
rain
59°/61°Light
7

2008 GO! St. Louis Marathon

Partly cloudy throughout the day.

2008
partly-cloudy-day
41°/62°-
8

2007 GO! St. Louis Marathon

Becoming cloudy in the afternoon.

2007
partly-cloudy-day
35°/55°-
7

2006 GO! St. Louis Marathon

Partly cloudy throughout the day.

2006
clear-day
34°/55°-
8

2005 GO! St. Louis Marathon

Partly cloudy throughout the day.

2005
partly-cloudy-day
58°/79°-
8

2004 GO! St. Louis Marathon

Clear conditions throughout the day.

2004
clear-day
38°/52°-
8

2003 GO! St. Louis Marathon

Cloudy skies throughout the day with a chance of rain or snow throughout the day.

2003
cloudy
35°/38°Light
5
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You Need an Account For That

Setting up a racecast.io account will allow you to start building a reputation in the community. Over time you'll be able to rate races, join the discussion, and post in the community.

Right now we are invite only, you can get on the waitlist by entering your email below:

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