Bolder Boulder Registrations Soar for 2026: What to Expect

High Registration Numbers:: Nearly 53,000 entrants are expected, marking one of the top five registration totals in the race's history. This is the highest number of participants since 2011.

Why this matters:: The strong interest indicates a resurgence in running popularity, possibly fueled by individuals who took up the sport during the pandemic. It also highlights the Bolder Boulder's significance as a premier running event.

Registration Closure:: For the first time since its inception in 1979, the race closed registrations before the final pre-race weekend due to operational capacity.

Local Trends:: The Denver Colfax Marathon also experienced a sell-out, suggesting a broader increase in interest in local road races.

Elite Competition:: The race will feature the International Team Challenge, but previous champions will not compete due to injury. An “All-Colorado” team of former CU Buffs will participate on the men’s side.

Large Crowds:: Expect heavy traffic and crowded conditions, especially near the starting line and Folsom Field finish.

Entertainment:: Enjoy entertainment and cheering sections along the course.

International Team Challenge:: Witness elite athletes compete in the International Team Challenge.

Memorial Day Tribute:: Participate in the annual Memorial Day tribute following the race.

Arrive Early:: Due to the high number of participants and associated traffic, plan to arrive well in advance of your race start time.

Stay Hydrated:: With potentially warm weather, ensure you are adequately hydrated before, during, and after the race.

Course Awareness:: Familiarize yourself with the course map and any potential challenges.

The Bolder Boulder is experiencing a significant resurgence in popularity.

Plan to arrive early due to heavy traffic and large crowds.

The race will feature both citizen runners and elite athletes in the International Team Challenge.

Enjoy the unique Folsom Field finish and Memorial Day tribute.