USATriathlon Home (www.usatriathlon.org) USA Triathlon supports and organizes endurance races.
Jack Quinn's Runners (www.jackquinnsrunners.com) Jack Quinn's Runners is a running club with information on training and races.
Landsharks Run Club (www.landsharkrunclub.com) Landsharks is a non-competitive youth program designed to introduce running to young athletes in a safe, fun environment.
ADT Marathon (www.adtmarathon.com) - review The American Discovery Trail Marathon is a racing event that includes a marathon, half marathon an 5K. The race takes place labor day weekend.
Run for Revolution (www.runforrevolution.com) Run for Revolution is a fundraising run in America the Beautiful Park.
Girls on the Run - Rockies (girlsontherunrockies.org) Girls on the Run is an after school program that helps girls build self-esteem through physical fitness. The site offers running programs in Denver and The Springs.
Kokopelli Kids (www.kokopellikids.com) Kokopelli Kids is a trail running event for the young ones.
Grand Prix of Running (www.csgrandprix.com) The Grand Prix of Running presents a series with a half dozen exciting races.
Team C.R.U.D. (www.teamcrud.com) Team C.R.U.D. is made up of Coloradans Running Ultra Distances and the stuff that sticks to such runners and is hard to wash off.
Pikes Peak Ascent and Marathon [Home] (www.pikespeakmarathon.org) Site has information on the Pikes Peak Ascent and Marathon. This is a fun run to the top of a little hill West of Colorado Springs with a 7815' elevation gain.