Thornton, CO | Saturday, August 8, 2026Registration Open
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!
Available Distances
Awards & Prizes
Age Group Awards
5k/10k/15k - Male and Female Overall Male and Female Masters (40+) Top 3 Male and Female for the following: 10 & Under, 11-14, 15-19, 20-24, 25-29, 30-34, 35-39, 40-44, 45-49, 50-54, 55-59, 60-64, 65-69, 70-74, 75-79, 80+ *Kid's Dash, 1-Mile, and Virtual events are untimed and do not qualify for age group awards.
Participant Giveaway
50m: T-Shirt
1 Miles: T-Shirt
3.1 Miles: T-Shirt
6.2 Miles: T-Shirt
15K: T-Shirt
Virtual Race: T-Shirt
Volunteer and Run: T-Shirt
Registration & Pricing
Distance
Price
Opens
Closes
50m
$17.00
Nov 23
Aug 8
1 Miles
$22.00
Nov 23
Aug 8
3.1 Miles
$32.00
Nov 23
May 5
$36.00
May 5
Jun 15
$40.00
Jun 15
Jul 20
$44.00
Jul 20
Aug 7
$48.00
Past Results
10K
Year
Finishers
Median Time
Fastest Time
2025
61
1:08:21
36:54
2024
71
1:00:59
40:01
2023
49
1:01:04
33:11
15K
Year
Finishers
Median Time
Fastest Time
2025
33
1:40:06
1:08:08
2024
13
1:26:13
1:08:13
2023
Interested in this race?
Aug 7
Aug 8
6.2 Miles
$32.00
Nov 23
May 5
$36.00
May 5
Jun 15
$40.00
Jun 15
Jul 20
$44.00
Jul 20
Aug 7
$48.00
Aug 7
Aug 8
15K
$32.00
Nov 23
May 5
$36.00
May 5
Jun 15
$40.00
Jun 15
Jul 20
$44.00
Jul 20
Aug 7
$48.00
Aug 7
Aug 8
Virtual Race
$42.00
Nov 23
Aug 8
Volunteer and Run
$17.00
Nov 23
Aug 8
Packet Pickup
Packet Pickup is always available on race day an hour and a half before the start of the race. If you need to switch to virtual please email support@bodiesrc.com BEFORE the event or come to packet pickup and pick up your items. If we are not notified prior to the event, items may not be available as we open items up after the event for late registrations.
Event Schedule
5:30-6:45am Packet Pickup 6:55am Kids Dash (Meet at the Start Line and we will walk participants out to the starting area) 7:00am National Anthem and Race Start! Results and Awards are live and available at the Registration tent immediately following your finish!
