Name: B360 & B180 – Circle Boulder by Bike
Start: 2026-06-07T10:00:00-06:00
End: 2026-06-07T14:00:00-06:00
Location: Valmont Bike Park

See Boulder from the best seat in the world – a bike seat.

Boulder offers over 300 miles of bike routes, paths, and lanes. Check out some new views on the B360!
*B-360 is a 24-mile loop that circumnavigates the entire town
*B-180 is about half the distance, a 12-mile route that goes through a few different parts of town.
The ride begins and ends at Valmont Bike Park. The ride will kick off at 10am, however, feel free to start later as the course will be marked.
Stay at Valmont Bike Park after the ride to enjoy free ice cream and local businesses.

Family friendly | E-bikes welcome | costumes encourages

Plan Ahead

Planning on riding the B360 or B180?

-> Sign up ahead of time here <-

It also helps us know how many people to expect for Moe’s Bagels before and Lindsays Boulder Deli/Haagen- Dazs ice cream after!

Adaptive Rides

If you have a disability and are interested in doing part of the B360 on an adaptive mountain bike contact Topher Downham at downhamt@bouldercolorado.gov . A group of riders with disabilities will be meeting at Wonderland Lake Trailhead at 8:30 am on June 7th, riding to Valmont Bike Park via Boulder Valley Ranch, and looping back to Wonderland Lake with the B360 riders. A few extra handbikes are available to borrow.

Don’t Miss the Post-Ride Expo

This year, we’ve taken the post-ride party to the next level—it’s about more than just ice cream! Stick around after your ride to enjoy a lively celebration featuring bike-themed games, fun and challenging trivia, and the chance to hang out with local cycling organizations. Come for the ride, stay for the fun, and learn more about the vibrant cycling community!