Aron Ralston becomes trapped by a boulder in Bluejohn Canyon, Utah, leading to a desperate struggle for survival.
After being trapped for more than five days, Aron Ralston amputates his own arm to escape and is rescued shortly after.
Aron Ralston releases his memoir 'Between a Rock and a Hard Place' recounting his harrowing experience.
The film '127 Hours,' directed by Danny Boyle and based on Aron Ralston's ordeal, premieres.