Well, since you asked:
2013 Tentative Race Calendar (Tentative):
April 14th - Sylvan Island Stampede (22.5 miles)
April 20th - Ridgeline Rampage (60 miles)
May 4th - Battle the Bear (60 miles)
May 18th - Indian Creek (Marathon)
May 25th - Gunnison Growler (64 miles)
June 1st - PV Cycle Derby (66 miles)
June 29th - 40 in the Fort
July 4th - Firecraker 50
July 14th - Breckenridge 68
July 20th - 12 Hours of Snowmass (solo/duo TBA)
August 4th - Tahosa (Marathon)
August 10th - Leadville 100
August 17th - Steamboat Stinger (50 miles)
August 31st - Park City Point to Point (78 miles)

*Marathon is typically 60-70 miles