Join us for the Heatwave Half Marathon, 10K, & 5K!
A sun-soaked summer challenge that’s perfect for the whole family.
The fun includes –
Grab your friends and family—you won’t want to miss this one!
Can’t make the race? No problem! We offer a virtual race option where you can run anywhere, at any time, and still earn the fun swag!
Youth-based pricing is available: ages 12 & under are only $17!
Half Marathon/10K/5K registration includes a custom bib, designer shirt, and an awesome finisher medal!
1 Mile registration is untimed and includes a custom bib, designer shirt, and an awesome finisher medal!
Kid’s Dash is a fun, untimed dash for ages 10 and under. Registration includes a mini bib, youth-sized shirt, and a specially crafted medal for our youngest runners! (If your child wants to run the kid’s dash without swag, they’re welcome to run free on race day!)
Register by midnight on Thursday, two Thursdays before race day, to guarantee your shirt!
Jul 31, 2027
Distance — 1.6K
Type — Running
08:00
$22.00
Jul 31, 2027
Distance — 10K
Type — Running
08:00
$32.00
Jul 31, 2027
Distance — 5K
Type — Running
08:00
$32.00
Jul 31, 2027
Distance — 21.1K
Type — Running
08:00
$58.00
Jul 31, 2027
Distance — 0.1K
Type — Running
08:00
$17.00
Jul 31, 2027
Distance — 21.1K
Type — Running
08:00
$0.00
Jul 31, 2027
Distance — Virtual Race
Type — Running
08:00
$42.00
Jul 31, 2027
Distance — Volunteer Then Run
Type — Running
08:00
$17.00
These values represent the 3-year monthly averages for July in Caledonia.
Learn more about the host city, Caledonia.
Grand Rapids is in West Michigan, in the United States of America.
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location_on Kentwood, Michigan, US
calendar_today Oct 10, 2026
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