Decision summary
6:00:00 total cut-off
Historical race-date favourability, not a forecast
Verified GPS route
Quick answers
RaceIndex has a GPS course file for Denver Colfax Marathon, so runners can inspect the route line on the map. Elevation charts and ascent figures appear only when that file includes usable elevation data.
The Denver Colfax Marathon is described as gently rolling. The course listing puts the climb at 183 m.
The Denver Colfax Marathon route starts at Denver's City Park, east side of Ferril (Ferrill) Lake and finishes at Denver's City Park (start and finish in City Park). Underfoot, expect road. It passes Empower Field at Mile High (passed twice), Colfax Avenue, Denver Fire Station #1, Sloan's Lake and Confluence Park / Cherry Creek. Urban 10 Miler covers the final 10 miles of the marathon course, starting at the Rocky Mountain College of Art + Design (RMCAD) campus and finishing in City Park (2.5-hour limit).
Post-race party in City Park features live music, food and drinks on the lake.