Littleton, CO | Saturday, July 11, 2026Registration Open
Join us for the Heatwave Half Marathon, 10K, & 5K! A sun-soaked summer challenge that’s perfect for the whole family. The fun includes – Great Swag – designer shirt & custom medal Chip-timing with live results and awards Free photos FREE ice cream at the finish to help you cool off Plenty of hot fun in the summer sun! 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!