Colorado Runner - Colorado's running news, events and results source

On May 7th, Colorado Runner Events hosted the 18th annual Greenland Trail Races at Greenland Open Space in Larkspur. The race consisted of a trail 4 mile, 8 mile, 25K and 50K ultramarathon.

Celebrate Mother's Day at the 2022 Mother's Day 5K on Sunday, May 8. The starter's gun goes off at 9:00 am at Denver's City Park. The race is chip timed by Colorado Race Timing, featuring live results and the ability to sign up for race day texts or emails.

The Rock ‘n’ Roll® Running Series, the world’s largest running series, announced today with Sports Salt Lake, that Salt Lake City, Utah will become the newest destination for the Series. As part of the announcement the Utah Sports Commission will also come on as the presenting partner for the event.