In 3 days · Sun, Oct 18, 2026
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Sunday, October 18th, 2026
475 Lake Michigan Dr NW, Grand Rapids MI
Marathon · Half · 5K
45–59°F · some rain risk
See last 10 years
On this date: rain 3 of the last 10 years
2025
59–72°F
rain
2024
42–64°F
dry
2023
41–63°F
dry
2022
35–39°F
rain
2021
44–66°F
dry
2020
38–55°F
rain
2019
33–55°F
dry
2018
31–51°F
dry
2017
50–66°F
dry
2016
57–74°F
dry
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Race-day forecast · Sunday, Oct 18
Sunny · 43–60°F
Sunday, Oct 18starts near 43°F · 0% chance of rain · wind up to 17 mph
About this race
University of Michigan Health - West Grand Rapids Marathon
Foster Swift Half Marathon
Pepsi Zero Sugar Marathon Relay
Run Thru The Rapids 5K & 10K
Race insurance offered through RunSignUp on our registration page. For info on claims: CLICK
(For complete info on packet pickup, course, race day info, FAQ, etc, please see our main Grand Rapids Marathon website)
Course map
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