Denver police stepped up security in light of what happened in Boston during Sunday’s Colfax Marathon that drew several thousand people to Denver’s City Park.
Police in Denver are preparing for Sunday’s Colfax Marathon. They’ll be enforcing tougher security measures this year.
Denver-area police agencies say they don’t want spectators attending the Colfax Marathon this weekend to bring bags and other backpacks to the race.
Thousands of runners faced the chilly weather for the Colfax Marathon Sunday morning.