Summer Sizzler- Denver
About this race
- 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!
- 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!)
🏁🏅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!
Join fellow runners on August 16, 2025 for the Summer Sizzler- Denver. It's a fantastic 1.6K, 5K, 10K, 15K featuring a flat and fast course in Thornton.
Pick your distance
Running
1 Mile
1 Mile registration is untimed and includes a designer shirt and a an awesome finisher medal!
5k DEN
10k DEN
15K DEN
About Thornton
Summer Sizzler- Denver takes place in Thornton, Colorado, United States. The local timezone is America/Denver.
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Race information has been sourced from the event's official website and other publicly available resources. For the most up-to-date details, please refer to the official website directly. If you notice any incorrect or missing information, don't hesitate to reach out to us by email.
