As a service to the local mountain bike racing community, we have put together this calendar of 2011 races. We hope that this helps you in planning for your upcoming season. (Click the race name to be directed to the race website) There have been some minor changes to race dates recently, and this calendar reflects the most up to date information.
| Date | Race | Location |
| 4/9 | Cheyenne Mtn. Explosion (TT) | Colorado Springs |
| 4/10 | Cheyenne Mtn. Explosion (XC) | Colorado Springs |
| 4/23 | Voodoo Fire (70 or 35 mi) | Pueblo |
| 4/30 | Rabbit Valley Ralley (TT) | Fruita |
| 5/1 | Rabbit Valley Ralley (XC) | Fruita |
| 5/6-7 | 18 Hours of Fruita | Fruita |
| 5/7 | Front Range 60 (60 or 30 mi) | Lakewood |
| 5/7 | Battle the Bear (XC) | Lakewood |
| 5/7 | 12 Hours of Mesa Verde | Cortez |
| 5/15 | Ascent Cycling Race Series (XC) | Colorado Springs |
| 5/29 | Gunnison Growler (64 or 32 mi) | Gunnison |
| 6/1 | Ascent Cycling Race Series (XC) | Colorado Springs |
| 6/3-4 | 24 Hours of E-Rock | Castle Rock |
| 6/3-5 | Chile Challenge (XC, STXC, SD, DH) | Angel Fire, NM |
| 6/4 | Teva Mountain Games (XC) | Vail |
| 6/8 | Ascent Cycling Race Series (XC) | Colorado Springs |
| 6/8 | Summit Mountain Challenge #1 | Frisco |
| 6/11 | Winter Park Hill Climb Kick-off (HC) | Winter Park |
| 6/12 | Beti Bike Bash (XC) | Lakewood |
| 6/12 | Ridgeline Rampage (Endurance) | Castle Rock |
| 6/18 | Bailey Hundo (100 mi) | Bailey |
| 6/19 | Ascent Cycling Race Series (XC) | Colorado Springs |
| 6/22 | Summit Mountain Challenge #2 | Breckenridge |
| 6/24-26 | Wildflower Rush (XC, STXC, SD, DH) | Crested Butte |
| 6/25 | Cross Country Super Loop (XC) | Winter Park |
| 7/4 | Firecracker 50 (50 mi) | Breckenridge |
| 7/8-10 | Full Tilt in Telluride (XC, SD, HC and DH) | Telluride |
| 7/9 | Valley Point-to-Point (XC) | Winter Park |
| 7/10 | Winter Park Super-D (SD) | Winter Park |
| 7/13 | Summit Mountain Challenge #3 | Breckenridge |
| 7/14-17 | USAC MTB XC National Championships | Sun Valley, ID |
| (XC, STXC and SD) | ||
| 7/16 | Breckenridge 100 (100, 68 or 32 miles) | Breckenridge |
| 7/16 | Silver Rush 50 (50 mi) | Leadville |
| 7/22-24 | Keystone Classic (XC, STXC, SD, DH) | Keystone |
| 7/27 | Summit Mountain Challenge #4 | Breckenridge |
| 7/30 | Laramie Enduro (111K/69 mi) | Laramie, WY |
| 7/30 | CrankworX Colorado (XC) | Winter Park |
| 7/31 | Crested Butte Alpine Odyssey (100K) | Crested Butte |
| 8/5-7 | Blast the Mass (XC, STXC, SD, DH) | Snowmass |
| 8/6 | Pierre's Hole 100 (100 mi) | Alta, WY |
| 8/10 | Summit Mountain Challenge #5 | Keystone |
| 8/13 | Leadville 100 (100 mi) | Leadville |
| 8/14-19 | Breck Epic MTB Stage Race | Breckenridge |
| 8/20 | Mary Jane Circuit Race (XC) | Winter Park |
| 8/24 | Summit Mountain Challenge #6 | Breckenridge |
| 8/27 | King of the Rockies -Tipperary Creek (XC) | Winter Park |
| 9/2-5 | Sol Survivor (XC, STXC, SD, DH) | Granby |
| 9/3 | Park City Point to Point (80mi) | Park City, UT |
| 9/4 | Peaceful Valley Cycle Derby (Endurance) | Elbert |
| 9/10 | 12 Hours of Snowmass | Snowmass |
| 9/10-11 | Fall Classic (Stage Race) | Breckenridge |
| 9/17 | USAC MTB Marathon National | Bend, OR |
| Championships | ||
| 10/1-2 | 24 Hours of Colorado Springs (USAC | Colorado Springs |
| MTB 24 hr National Championships) | ||
| This calendar focuses primarily on cross country and endur- | ||
| ance mountain biking events in Colorado and neighboring states. | ||
| All dates and racing information are subject to change. | ||
XC =Cross country, TT =Time trial, STXC =Short track, HC = Hill climb, SD =Super D, DH =Downhill | ||
