Boulderthon Half Marathon is expected to sell out. Over 4,000 runners are expected at this year’s Boulderthon from 50 states and 13 countries, with registrations coming in over 2x the rate of last year. 5k, 10k, Full Marathon are Nearing Capacity. Register today.
Finish line of Boulderthon at the end of the street

Boulderthon Kids Fun Run in Boulder, CO

Join us on Saturday, Oct 8, 2022 for the Inaugural Boulderthon Kids Fun Run in Boulder, Colorado. The course starts and ends at 15th and Pearl with an incredible finish on the historic Pearl Street Mall! The Boulderthon is the perfect introduction to racing for your little ones!


Boulderthon Kids Run Information

Date: Saturday, October 8th, 2022

Start Time: 9am

Time Limit: None

Distance: 1800 ft/ 6 Blocks

Elevation Gain: 32 feet

Course Map:

Course Map

Boulderthon Kids Run Registration

You can register your child online or show up early and register on the day of the race. Parents can run for free with their kids!

Boulderthon also offers a 5k on Saturday, October 8th. On Sunday, October 9th our other races include a 10k, 1/2 Marathon and Full Marathon.


Boulderthon Kids Run Race Packet Pick Up:

  • Boulderthon offers Early Packet Pickup (open to all) beginning Saturday, 10/1/22 through Thursday, 10/6/22 at Boulder Running Company (2775 Pearl St. Boulder, CO 80302) during their full normal hours, Saturday - Thursday, 10am-7pm, and Sunday 10am-5pm.

  • Our Official Expo & Packet Pickup will take place on the Pearl Street Mall between 13th and 15th, at the times below:
    • Friday, 10/7: 2pm - 6pm
    • Saturday, 10/8: 8am - 4pm (on this day, registration for our Saturday 5k will open at 7am on the Pearl Street Mall, in advance of the 5k race at 8am)
    • Sunday, 10/9 (After Party): 8am - 4pm

Getting There:

  • The race starts and ends at 15th and Pearl. You are welcome to get dropped off or park in Downtown Boulder. See below for the best places to park.

Where Do I Park?

Here are the BEST FREE GARAGES to park in on Boulderthon Race Weekend. Please note that garages are free on Saturdays and Sundays in Downtown Boulder, but street parking is only free on Sundays.Parking Map


Gear Check

  • There is no gear check for the Kids Run as it starts and ends in the same location.