Thousands Participate In Annual Bolder Boulder 10K

BOULDER, Colo. (CBS4) – Runners and walkers in the annual Bolder Boulder 10K race were in high spirits on Monday for the annual tradition.
(credit: Bolder Boulder)
More than 50,000 people participate in the race through Boulder each year, and racers were greeted with mostly sunny skies and race temperatures in the high 50s and low 60s in the morning.
(credit: Bolder Boulder)
Many participants as well as active onlookers wore costumes, and some people carried flags to pay tribute to members