Colfax Marathon Weekend
May 17 - May 18
The biggest running weekend of the year kicks off on Saturday May 18th with the Colfax 5K at City Park. Stick around to catch the Girls on the Run 5K immediately following the Colfax 5K.
Sunday has a race for everyone. The Marathon, Marathon Relay, Half Marathon and 10 miler will take you all over the Denver area, winding up at City Park for the post-race party of the year.
For the latest details on all the races and to sign up, visit runcolfax.org.