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Whether a race, special group ride, training opportunity, or cycling-related community event, the 303 calendar showcases it all. To have an event posted here please follow this link: Event Policy Submission & Guidelines.
Ralston Creek Half Marathon & 5k
February 18 @ 9:00 am - 1:00 pm
Long Sleeve Half-Zip Tech Shirt if registered before Jan. 19!
The series finale comes at the Ralston Creek Half-Marathon & 5K in Arvada on February 18th. The Ralston Creek Half-Marathon has sold-out in all previous years, establishing itself as Colorado’s premier winter half marathon. The Ralston Creek 5K Run round’s out our 5K series, with a flat and fast course! Both race courses follow a scenic mix of road and bike path through Arvada’s beautiful west side.
Event details and registration here
Superior Stocking Run 5k – Dec 17, 2017
Yeti Chase 5k/10k – Jan 28, 2018
Ralston Creek Half Marathon & 5k – Feb. 18, 2018