Events for October 18, 2026

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Blue Sky Trail Marathon

Blue Sky Trailhead County Road 38e, Fort Collins

Taking place on the trails between Horsetooth Mountain Park and the Devil’s Backbone Open Space, the Blue Sky courses take you on a north-south tour of the easternmost hogbacks of […]

$90 – $130

CDDR 5K Run to Rescue

Berkeley Lake Park 4601 W 46th Ave, Denver

The Colorado Domestic Duck Rescue 5k Run to Rescue is a untimed fun run or walk to support the rescue and homing of domestic ducks dumped by their owners into […]

PPRR Fall Series II

PPRR Fall Series
North Monument Valley Park 1794 Culebra Ave., Colorado Springs

The Fall Series consists of four trail races in four different city/county parks. The trails range from well-maintained to rocky with tree roots. Each event is a unique challenge at […]

Avery Fall 5K

Colorado Brewery Running Series
Avery Brewing Company 4910 Nautilus Ct N, Boulder

Join us for The Avery Fall 5k @ Avery Brewing on October 18, 2026, for a 5k event that starts and ends at this awesome taproom in Boulder. Run, walk, […]

Palmer Lake .5K (Yes “Point” 5)

Palmer Lake Regional Park 199 County Line Road, Palmer Lake

The Fastest Growing (and shortest)  Running Event in CO is back!!! Awake the Lake will hold its 8th Annual PALMER LAKE .5K (Yes “Point” 5), and it just keeps getting […]