BOULDER COUNTRY DAY SCHOOL
Kids Fun Run
Boulder Country Day School Kids Run in Boulder, CO
Join us on Sunday, September 27th, 2026 at 8:15AM for the fourth-annual Boulder Country Day School Kids Fun Run in Boulder, Colorado. The course starts at 19th and Pearl and ends with an incredible finish on the historic Pearl Street Mall! The Boulderthon is the perfect introduction to racing for your little ones! Parents can run for free with their child!
KIDS RUN
Date: Sunday, September 27th, 2026
Location: 19th and Pearl Street
Start Time: 8:15am
Event Day
Logistics
- Boulderthon offers Early Bib Pickup (open to all) beginning Saturday, 9/20/25 through Thursday, 9/25/25 at 2pm at all Colorado Fleet Feet locations during their normal hours.
- Finisher Shirts will not be available at Early Bib Pickup. Participants who pick up their packet at Early Bib Pickup can pick up their race shirt after they complete their race on Sunday 9/28/25.
- Our Official Expo & Bib Pickup will take place on Pearl St Mall between 14th & 15th, on Friday, 9/26/25, from 2pm-6pm, and Saturday, 9/27/25 from 10am-6pm.
This year, Boulderthon features its first-ever Start and Finish Downtown.
Our Start Village is hosted on the Pearl Street Mall, between 13th and 15th.
The Start Line is at 21st and Pearl. The Finish is at 15th and Pearl.
Here are the best ways to get to the Start. For questions, please contact support@boulderthon.org
1. Take an Uber
Use Our Designated Uber Drop Off Lanes
Please enter address 1400 Walnut St, Boulder CO 80302 into Uber (the start of the Drop Off Lanes) to Uber to the Start Village Presented by Uber.
*Note- please use these lanes for all runner drop off.
2. FREE Parking!
Please reference our FREE Parking Garage Map.
Please note, these garages will fill up first and we suggest arriving at least 2 hours prior to the Start.
All parking is FREE in Downtown Boulder on Sundays. See below for the best places to park!
There is no gear check for the Kids Run.