In Minneapolis, one of the longest running and generally the first alley cat of the year.
Stupor Bowl 15
And in Bristol UK, the 2012 Redbull Hill Chaser
Red Bull Hill Chasers will see 16 elite and 16 amateur cyclists from BMX, mountain bike, road cycling and fixed-gear compete in a series of gruelling head-to-head knockout rounds on the unforgiving incline. Riders will be paired randomly giving amateur riders the chance to compete against the elite. Look out for some big name competitors!
Fined out more at pinkbike.com.