Colfax Marathon: Starting Times, Routes and Road Closures

The Colfax Marathon weekend is set to commence on May 16, 2025, leading to anticipated road closures and traffic disruptions across Denver. Local runners are expected to participate in significant numbers, reflecting the city's commitment to an active lifestyle. Organizers are urging residents to plan their routes ahead of time to mitigate delays during the event. The marathon has evolved into a community tradition, promoting fitness and camaraderie among participants. Local businesses also benefit from the influx of visitors during this weekend.

According to Brendan Joel Kelley, the marathon weekend serves as a reminder of Denver's vibrant running culture and its impact on the local economy.