The City of Boulder is asking residents to keep themselves and their pets out of the water at the Boulder Reservoir due to a possible harmful algae bloom. Although the swim beach is closed for the ...

Anyone wanting to enjoy the Boulder Reservoir this weekend will have to wait until Sunday. The reservoir is closed through Saturday for the Boulder Ironman 70.3 event, the city’s parks and recreation ...

DENVER (KDVR) — On Dec. 8, around 6:30 p.m., deputies responded to reports of a vehicle that had driven into the Barker Reservoir, according to a press release from the Boulder County Sheriff’s Office ...

The annual Polar Bear Plunge at Boulder Reservoir has attracted New Year’s Day nutters since at least 1983, and as a tradition, its appeal is elemental. Freezing temperatures shock the body into a ...

The Polar Plunge ain’t for cold-weather wimps. Now in its 29th year, today’s Alzheimer’s Association of Colorado fundraiser invites brave souls to participate in a freezing water dive at the Boulder ...

Matt Moseley’s day job is CEO of a communications company. His night job is author of books, including one about Hunter S. Thompson. And his “early-morning job” is open-water swimmer, which is weird ...