This is your year to run the 10th Anniversary Colfax Marathon! Denver’s springtime race is the ultimate urban tour of the city - Marathon runs through the stadium, along 7 miles of rivers, lakes and bridges. Half Marathon treks one mile through the zoo. 150 Charity Partners - run for a good cause! Run the 10th Colfax Marathon on Sunday, May 17, 2015 in Denver’s City Park
- Hours: Hours vary. See website for more details.