Colfax Marathon

There is no place like Denver-Boulder to enjoy the competitive and social aspects of running

May 20, 2026 at 12:55 p.m.

The Denver-Boulder area has long been a hotbed for runners. Elite American distance runners began...

May 14, 2026 at 4:36 p.m.

Race officials are expecting more than 28,000 runners and walkers in 20th anniversary event.

May 16, 2025 at 4:24 p.m.

Metro Denver residents can expect public transportation delays and road closures this weekend as thousands...

May 15, 2025 at 6:19 a.m.

When the Colfax Marathon kicks off Sunday morning, 28 workers with the Colfax BRT project...

July 12, 2024 at 3:49 p.m.

"Would you date this guy?" asked a billboard on Colorado Boulevard in Denver last month.

May 17, 2024 at 12:07 p.m.

"We鈥檝e added 13 more start waves to accommodate a larger field, we鈥檝e ordered more shirts,...

May 11, 2024 at 12:23 p.m.

Colfax Fly Feet exposes at-risk youth and those with chronic illnesses or physical or mental...

May 16, 2024 at 12:06 p.m.

For half marathoners, there will be a new route through the Denver Zoo's new Down...

January 9, 2024 at 4:24 p.m.

Colorado ranks as the most physically active state in the U.S.

May 19, 2023 at 5:34 p.m.

Much of the race action takes place at City Park, including the starting line for...