Kaiser Permanente Colfax Marathon 2012 Traffic and Road Closure Information

Roads close and open as race progresses on Sunday, May 20, 2012 *with updated Denver information*

DENVER-- To provide a safe environment for the 2012 Kaiser Permanente Colfax Marathon, the cities of Aurora, Denver and Lakewood will have temporary traffic impacts along Colfax Avenue on Sunday, May 20, 2012. 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 have full and partial closures of westbound and eastbound Colfax from Aurora to Lakewood starting as early as 3 a.m. and ending as late as 1 p.m.
  • Roads that cross Colfax Avenue and 17th Avenue could experience significant delays.
  • The easiest places to cross Colfax Avenue will be at Interstate 25, Federal Boulevard, and Interstate 225.
  • Drivers are urged to avoid the intersection of Speer Boulevard and Colfax Avenue.
  • Crossing intersections along Colfax will be allowed on a very limited basis when safety allows and only at intersections with uniformed police officers.
  • Eastbound Colfax Avenue will be open from Denver’s City Park west to Quitman Street and from Colorado Boulevard east to Ursula Street.
  • Westbound Colfax will be closed from Havana Street in Aurora to Garrison Street in Lakewood.
  • As the race progresses from Denver’s City Park to Aurora and Lakewood simultaneously, streets will open to normal traffic as rapidly as possible. 

Colfax Avenue in Aurora:

  • The half-marathon course starts at Denver’s City Park, heads east on Colfax Avenue to Hanover Street in Aurora, continues north to East 19th Avenue, then west to Galena Street, then south to 17th Avenue, east to Geneva, south to East 16th Avenue, then returns west on East 16th Avenue and returns to City Park along portions of East 16th and East 17th Avenues into Denver. 
  • Westbound Colfax Avenue will be closed from Havana Street to Yosemite Street at 5:40 a.m. 
  • East 17th Avenue will be closed to all east and westbound traffic from Havana Street to Yosemite Street at 6 a.m. 
  • East 16th Avenue will be closed to all east and westbound traffic from Havana Street to Chester Street at 6 a.m.


Colfax Avenue in Denver*:

  • Westbound Colfax will be closed.
  • Colorado Boulevard between Colfax Avenue and East 23rd Avenue will be closed.
  • Southbound off-ramp to I-25 at Colfax Avenue will be closed.
  • Speer Boulevard at Colfax Avenue in both directions will have very long delays.
  • The only places to cross Colfax Avenue will be at I-25 or Federal Boulevard.
  • Seventeenth Street will be open as the runners will be in the far north lanes only. Some cross traffic and turns will be allowed on a limited basis under the direction of uniformed police officers.
  • The last runner will cross westbound Colfax Avenue at Speer Boulevard at approximately  7:08 a.m. and the road will open shortly after.
  • The last runner will cross westbound Colfax Avenue at Sheridan Boulevard at approximately 10:25 a.m.
  • The last marathon runners will pass cross Sherman Street at 17th Avenue   at  11:36 a.m.
  • The last marathon runners will cross eastbound East 17th Avenue at Vine Street at approximately  11:53 a.m.
  • The last marathon runners will enter City Park at East 21st Avenue & York Street at approximately  11:57 a.m.

Colfax Avenue in Lakewood:

  • This year's route in Lakewood will take runners along West Colfax, turning north on Pierce Street, traveling through Rocky Mountain College of Art and Design, returning to Pierce Street and heading north to West 20th Avenue. The runners return to Colfax Avenue at Glen Moor Drive, heading east, remaining in the westbound lanes of Colfax Avenue. 
  • North to south streets that cross Colfax from Sheridan Boulevard to Garrison Street will be closed to through traffic from 6 a.m. to 10 a.m. 
  • North to south streets that cross Colfax Avenue between West Sixth and West 26th Avenues will be closed to through traffic. 
  • To move traffic north and south through the area, motorists will be funneled on detour routes to Interstate 70 and Federal Boulevard, using West Sixth, West 26th and West 32nd Avenues. 
  • Kipling Street is open to north/south traffic crossing W. Colfax. 
  • Traffic traveling east on W. Colfax will be diverted south on Garrison Street, then continue east on W. 14th Ave. 
  • Traffic will be allowed to proceed westbound on Colfax from Garrison. 
  • Traffic will be allowed limited access to local only traffic across W. 20th Avenue at signaled intersections, expect delays. 
  • Local traffic and marathon spectators will be permitted access. 
  • Access to Colfax businesses open on May 20 will be allowed from side streets either through limited-access lanes on Colfax Avenue marked with cones or through police escorts. 
  • Access to and from residences and churches adjacent to Colfax Avenue will be allowed through the use of side streets. 
  • The last runner will be off of Colfax Avenue in Lakewood at approximately 10:30 a.m. 
  • Colfax Avenue will be cleaned and swept immediately following the passage of runners. 
  • For detailed information on Lakewood traffic, please visit the City website at http://www.lakewood.org/Events/Colfax_Marathon/Road_Closures_and_Race_Map.aspx


RTD Operations:

The marathon will cause delays on RTD routes that run on and/or cross Colfax Avenue. Riders are encouraged to contact RTD directly for full details by calling (303) 299-6000 or visiting www.RTD-Denver.com under Detours and Alerts.

Course maps can be found online:

About the Colfax Marathon

The seventh annual 2012 Kaiser Permanente Colfax Marathon takes place May 19-20, 2012 and includes the full marathon, half-marathon and marathon relay, as well as the Bellco Colfax 5K. Established by the cities of Aurora, Denver and Lakewood to encourage Coloradans to be healthier, the marathon has established itself as an iconic race for the mile-high city. We support local charities and nonprofits by providing one of the country's biggest fund-raising platforms through the DaVita Charity Partners Program. We are proud to partner with corporate sponsors who make our race a success, including: Kaiser Permanente, DaVita, 9News, The Denver Post, Comcast, 104.3 The Fan, The Denver Athletic Club, Primrose Schools, Jim 'n Nick's BBQ, and more. To learn more, visit www.runcolfax.org or follow us on twitter @runcolfax or facebook.com/runcolfax.

About Kaiser Permanente Colorado

Kaiser Permanente Colorado is the state’s largest nonprofit health plan, proudly working to improve the lives and health of Denver, Boulder, and southern Colorado area residents for 41 years. Kaiser Permanente Colorado provides comprehensive health care services to more than 535,000 members through 21 medical offices and a network of affiliated hospitals and physicians. The health plan was named “Highest in Member Satisfaction” among Commercial Health Plans by J.D. Power and Associates for the fourth straight year. Kaiser Permanente was also recognized by the National Committee for Quality Assurance (NCQA) as the top-ranked private health plan in Colorado, No. 9 in the nation and one of the top 5 Medicare plans in the U.S. for the second year in a row. In 2009, Kaiser Permanente proudly directed more than $82 million to community benefit programs to improve the health of all Coloradans. For more Kaiser Permanente news, visit kp.org/newscenter or follow us on twitter @kpcolorado or facebook.com/kpcolorado.