12,000 athletes expected at Denver’s community race May 18-19, 2013 To provide a safe environment for the 2013 Kaiser Permanente Colfax Marathon, the cities of Aurora, Denver and Lakewood will have temporary traffic impacts along Colfax Avenue on Sunday, May 19, 2013. While travel on Colfax Avenue will be restricted, normal traffic patterns will resume as soon as it’s safe for athletes, spectators and motorists.  General Traffic: The marathon will … Continue reading →