Cycling Challenge (useful maps showing the famous passes) (click on "View Larger Map" for useful index)
Sellaronda Bike Day (June 21, 2015, Italy)
Monte Grappa Challenge (July 14, 2012, Italy)
Öztaler Cycling Marathon (August 30, 2015, Austria)
Planet Ultra (Many events)
Auburn Century (May 31, 2015)
Alta Alpina Challenge (June 27, 2015) (canceled due to bad forest fire)
Climb to Kaiser (June 27, 2015)
Death Ride (July 11, 2015)
Santa Cruz Mountains Challenge (July 25, 2015)
Mt. Shasta Summit Century (August 2, 2015)
AntiGravity Cycling (sponsors of the Everest Challenge September 27-28, 2014, hardest two-day stage race imaginable, and other totally insane events) [Facebook]
Low-key Hillclimbs (every weekend in Fall)
Central California Cycling (click on "Recreational Loops" and check out "The Monster")
Assault on Mt. Mitchell (May 18, 2015, North Carolina)
Blood Sweat and Gears (June 27, 2015, North Carolina)
Garrett County Gran Fondo (June 27, 2015, Maryland) (canceled due to heavy rain)
Hot Doggett (July 11, 2015, North Carolina)
Peak Races Warman Ride (July 12, 2015, Vermont)
Mountain Mama Road Bike Challenge (August 1, 2015, Virginia)
Bike Up the Mountain Point Series Northeast Championship (events in the New England states including the two absurdly expensive races up Mt. Washington)
Six Gap Century (September 28, 2014, Georgia)
The Dirty Dozen (race up 13 short steep Pittsburgh hills organized by RAAM winner Danny Chew) (Saturday after Thanksgiving)
Appalachian Bicycle Racing Association (various events in West Virginia and Southwestern Pennsylvania)
Bob Cook Memorial / Mt. Evans Hill Climb (July 25, 2015, Colorado)