Grand Rapids Marathon

Grand Rapids, MI, USA · October 18, 2026
partly-cloudy-day44°·58° high·Breezy·Dry
8
Register

Race Day Weather

partly-cloudy-day
44°at start
58° high
Breezy
Dry

Cool conditions, steady winds

Runners will face starting temperatures around 44°F, gradually rising to 58°F. A consistent SW wind at 10 mph, with gusts up to 23 mph, will be present. With humidity at 70%, pacing adjustments may be necessary as temperatures rise; hydration should be prioritized early.

Race day forecast available in 28 days
partly-cloudy-night8
partly-cloudy-night8
partly-cloudy-day8
partly-cloudy-day8
partly-cloudy-day8
partly-cloudy-day9
partly-cloudy-day9
partly-cloudy-day9
partly-cloudy-day8
partly-cloudy-day9
partly-cloudy-day9

Get forecast alerts for Grand Rapids Marathon

We'll text or email you when the forecast shifts — so you can adjust gear, pacing, and strategy. Max one per day.

Race Info

The Grand Rapids Marathon is a 26.2-mile race held every October in Grand Rapids, Michigan, since 2004. The course is USATF certified, flat and fast, and is a Boston Marathon qualifier. Metro Health became title sponsor in 2008; the hospital system renamed itself University of Michigan Health-West in 2021, and the race is now presented as the University of Michigan Health-West Grand Rapids Marathon. The route tours downtown Grand Rapids before finishing through the trails of Millennium Park. Wikipedia

Area Map

Course Map

FAQ

When is the 2026 Grand Rapids Marathon?

The 2026 Grand Rapids Marathon will be held on Sunday October 18, 2026.

Is the Grand Rapids Marathon a Boston Marathon Qualifier?

Yes, the Grand Rapids Marathon is an official Boston Marathon qualifier.

What will the weather be like for the 2026 Grand Rapids Marathon?

The forecast calls for a high of 60°F and a low of 44°F with a 12% chance of rain.

Historical Weather

Based on 20 years of data
Avg Temp
57°F
L:42° H:58°
RunScore
7
Conditions
Rain Freq
25%
5 of 20 yrs
Wind13mph
Dew39°F

Temperature History

Range of temperatures during race hours for each year.

Detailed History

YearConditionsLow / HighRainScoreResults
2025
rain
51°/57°Light
5
2024
partly-cloudy-night
51°/74°-
8
2023
cloudy
45°/56°-
8
2022
partly-cloudy-day
41°/52°Light
8
2021
partly-cloudy-day
46°/62°-
8
2020
partly-cloudy-day
56°/66°Light
8
2019
cloudy
51°/65°-
9
2018
cloudy
37°/43°-
7
2017
rain
54°/67°Light
5
2016
clear-night
38°/66°-
8
2015
partly-cloudy-day
33°/52°-
8
2014
partly-cloudy-night
30°/53°-
7
2013
partly-cloudy-night
38°/55°-
8
2012
clear-night
39°/61°-
8
2011
rain
49°/57°Light
8
2010
partly-cloudy-day
41°/61°-
8
2009
partly-cloudy-day
28°/49°-
8
2008
partly-cloudy-night
41°/60°-
7
2007
partly-cloudy-night
33°/54°-
8
2006
partly-cloudy-night
38°/48°-
6