In 337 days · Sat, Jul 31, 2027
Don't let race day sneak up
One email during race week. That's it.
Saturday, July 31st, 2027
TBD, Caledonia MI
1 Mile · 5K · 10K · Half
63–82°F · some rain risk
See last 10 years
On this date: rain 1 of the last 10 years
2026
62–82°F
dry
2025
61–76°F
dry
2024
67–87°F
dry
2023
57–78°F
dry
2022
64–84°F
dry
2021
55–77°F
dry
2020
62–81°F
dry
2019
59–79°F
dry
2018
61–78°F
rain
2017
61–83°F
dry
Best months to race in Michigan →
About this race
Race Overview
Join us for the Heatwave Half Marathon, 10K, & 5K! A sun-soaked summer challenge that’s perfect for the whole family.
Event Highlights
- Great Swag: designer shirt & custom medal
- Chip-timing: live results and awards
- Free Photos: capture your moments
- FREE Ice Cream: at the finish to help you cool off
- Fun: plenty of hot fun in the summer sun!
Participation Options
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 Pricing
Youth-based pricing is available: ages 12 & under are only $17!
Registration Details
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!)
Important Registration Note
Register by midnight on Thursday, two Thursdays before race day, to guarantee your shirt!
Event Details
Date: 2027-07-31
Location: TBD, Caledonia, MI
More Information
For more details and to register, please visit the official race page.
Course map
Train with a club
Run clubs near Caledonia to train with before race day.
Suggested Races
Organize this race?
Claim it free to manage your listing — and get it featured for free, while spots last.