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Summer Sizzler- Denver

Thornton, Colorado · Saturday, August 8, 2026

The Summer Sizzler- Denver is a 1 miles, 3.1 miles, 6.2 miles, running, and virtual event held on Saturday, August 8, 2026. It is located in Thornton, Colorado.

Date
Saturday, August 8, 2026 at 7:00 AM
Location
Thornton, Colorado
80233
United States
OpenStreetMap Google Maps
Links
runsignup.com

Join us for the annual Summer Sizzler 5k/10k/15k! A fun summer event that is perfect for the whole family.

The fun includes -

  • Great Swag - designer shirt & custom medal

  • Chip-timing with live results and awards

  • Free photos

  • Delicious Treats waiting at the finish line

  • FREE Shaved Ice!

  • Plenty of fun!

Grab your friends and family, you are not going to 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 for the 5k/10k, 12 & Under are only $17!

  • 5k/10k/15K registration includes a custom bib, designer shirt, and a custom finisher medal!

  • 1 Mile registration is untimed and includes a custom bib, designer shirt, and a custom finisher medal!

  • The kid's dash is a fun, untimed dash for our kiddos ages 10 and under. Registration includes a mini bib, youth-sized shirt, and a specifically crafted medal for our kids' dash event! (If your child wants to run the kid's dash, and doesn't want the SWAG, they are welcome to run with us on race day for free!)

*Register by midnight on Thursday, two Thursdays before race day, to guarantee your shirt!

🏁🏅Create a team, or join an existing team during registration. Once 4 people have registered on that team, all team members will be refunded $5, once ten people register another $5 will be refunded for a total of $10!

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