Boulder residents braved the waters of Boulder Creek Friday morning for the city's annual tube to work day.

A massive breakthrough in the JonBenét Ramsey cold case has been made as an investigator’s secret spreadsheet nail the beauty ...

The Boulderthon marathon and half marathon races set for Sept. 28 in and around Boulder will feature new course routes.

The world's wettest traffic jam hit Boulder Creek again Friday as hundreds of commuters braved the cold waters for the 16th ...

Friday’s attire is calling for Richard Simmons’ wardrobe in “Sweatin’ to the Oldies.” Or channel a little Olivia Newton-John ...

BOULDER, Colo. — Four additional victims have been identified ... Soliman told investigators he constructed homemade Molotov cocktails after doing research on YouTube and buying the ingredients. “He ...

Here’s why a Boulder clinic that offered the procedure for over 50 years just closed. The 87-year-old clinic founder, Dr. Warren Hern, says he is deeply upset: “It became impossible to continue, but ...

BOULDER, Colo. (WKRC) - A yearly tradition invites commuters to ditch their bus fare, car keys, and even running shoes for an inflatable inner tube. " Tube to Work Day," which describes itself as ...

Organizers say 400 took to Boulder Creek for the annual tradition which dates back nearly 20 years. "This is what Boulder was known for for decades—being a wild, whacky hippie ...

What started as friendly competition between friends 15 years ago has now grown into one of Boulder locals’ favorite city pastimes: July’s annual Tube to Work Day. On Friday, 400 tubers lined ...

One of Colorado's silliest traditions -- and there are a lot of them -- is Tube to Work Day in Boulder.

Boulder's Tube to Work Day is happening Friday, July 14. Colorado Parks and Wildlife says water flows are decreasing on Boulder Creek.