Saturday, July 11th, 2026
Chatfield State Park, Littleton CO
1 Mile · 5K · 10K · Half
About this race
Event Overview
Join us for the Heatwave Half Marathon, 10K, & 5K! A sun-soaked summer challenge that’s perfect for the whole family.
Race Highlights
- Great Swag: designer shirt & custom medal
- Chip-timing: with live results and awards
- Free Photos: capture your race experience
- Free Ice Cream: at the finish to help you cool off
Additional Information
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 Rate: 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, includes a mini bib, youth-sized shirt, and a specially crafted medal!
Registration Deadline
Register by midnight on Thursday, two Thursdays before race day, to guarantee your shirt!
Event Details
Date: 2026-07-11
Location: Chatfield State Park, Littleton, CO
For more information, visit Heatwave Half Marathon.
Course map
Train with a club
Run clubs near Littleton to train with before race day.
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