Runners will face a temperature range from 45°F at the start to a mild 58°F. Wind will be a consistent 13 mph from the SW, with gusts reaching 26 mph. With humidity at 68%, pacing adjustments may be necessary; runners should consider starting conservatively and hydrating frequently.
Race day forecast available in 185 days
Pre-raceRace windowPost-race
The Metro Health/Grand Rapids Marathon is a 26.219-mile (42.195 km) race run every October in Grand Rapids, Michigan, USA since 2004. It is a USATF certified course. The Grand Rapids Marathon picked up Metro Health as a title sponsor in 2008. The full marathon gives runners a tour of downtown Grand Rapids and then heads out of the city and into the trails of Millennium Park. It is considered a flat, fast course and is a qualifying opportunity for the Boston Marathon.Wikipedia
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 58°F and a low of 45°F with a 0% chance of rain.
Historical Weather
Based on 20 years of data
Avg Temp
57°F
L:42° H:58°
RunScore
Conditions
Rain Freq
25%
5 of 20 yrs
Wind13mph
Dew39°F
Temperature History
Range of temperatures during race hours for each year.
