Race Discovery
Grand Rapids Kids Marathon
Grand Rapids Kids Marathon logo

Grand Rapids Kids Marathon

Grand Rapids, Michigan, United States View on map
Oct 17, 2026 (America/New_York local time)
Running

About this race

On the University of Michigan Health - West Grand Rapids Marathon Course. The day before the "big kids" run

Welcoming Family Capital Management as our Presenting Sponsor

The goal of the Grand Rapids Kids Marathon is to encourage healthy lifestyles for children and their families, and to help kids become physically active for a lifetime.
Sign Up for Free
Kids between the ages of 2 and 12 are invited to participate. Register here for the Kids Marathon now through October 18, 2025.

Begin Your Training
Starting the week of August 1, track each half mile of running/walking or 15 minutes of activity on your log sheet until you have completed 25 “miles.” Download the progress log CLICK to keep track of your activity.

Join Our Community Events
August 5 at 6:30pm: 1-mile Kick-Off run at Millennium Park

September 23 at 6:30pm Obstacle Course at John Ball Zoo

Get Ready to Run
On Saturday, October 18, run the last 1.2 miles of your marathon on the official race course of the Grand Rapids Marathon at the David D. Hunting YMCA. Registered runners receive an official race bib and T-shirt. All finishers receive a medal and certificate. 

  • Date: Saturday, October 18, 2025
  • Race Time: 2:30
  • Packet Pick-Up: 1:00 pm - 2:00 pm
  • Location: South of David D. Hunting YMCA -- in the DeVos Lot of WGVU. Tent in the southwest corner of the lot. 
  • Distance: The course is 1.2 miles, starting and finishing at the actual Start/Finish line of the UM Health-West Grand Rapids Marathon

Course Map
CLICK for course map

Pick your distance

Running

Kids Marathon

Oct 17, 2026 1.9K 2:30 PM
Free
Open

Typical race-day weather

Based on 15 years of Open-Meteo archive data for this event's race dates in Grand Rapids, plus the 3 days either side.

Temp (°C)
Minimum temperature (race-week average) 7.3° / Maximum temperature (race-week average) 15.1°
Feels Like (°C)
Minimum feels like — heat index / wind chill (race-week average) 4.4° / Maximum feels like — heat index / wind chill (race-week average) 14.8°
Peak wind (km/h)
Strongest wind of the day (race-week average)
20.2
Precip (mm)
Precipitation over the day (race-week average)
3.5mm
Humidity
Mean relative humidity (race-week average)
72.0%
Sunrise
Sunrise at the start line on October 17, 2026 (EDT)
Sunset
Sunset at the start line on October 17, 2026 (EDT)
Daylight
Hours between sunrise and sunset on race day
10h 58m

The sun rises at 7:58 AM and sets at 6:57 PM local time (EDT) in Grand Rapids on October 17, 2026 — 10h 58m of daylight.

Course

No course map published yet.

The organizer hasn't released a route for this event, and we don't publish guesses. If you're the organizer, send us a GPX file and we'll draw the profile.

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Where this page comes from. Race details were last updated on . We re-check listings regularly and again in the week before race day.

  • Entries, prices, waves and inclusions — the event's official registration page
  • Temperature and humidity — Copernicus ERA5 reanalysis via Open-Meteo (CC BY 4.0)
  • Elevation and terrain relief — Copernicus DEM GLO-90, ESA (CC BY 4.0)
  • Comparisons and counts — Race Discovery calendar, 85 Grand Rapids events

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