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 Relay, so runners can inspect the route line on the map. Elevation charts and ascent figures appear only when that file includes usable elevation data.
Underfoot, expect a road course. The setting includes city and mountain. 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). Marathon relay over the full 26.2-mile marathon course with multiple exchange zones.
Post-race party in City Park features live music, food and drinks on the lake.