Eight years ago, Josh Dueck broke his back during a skiing accident that left him paraplegic.
Four days ago, Dueck fulfilled his dream to do a back flip on snow again thanks to a "sit-ski" (on which he won the silver medal in the slalom at the 2010 Winter Paralympics) and a whole lot of heart.
If you're in a hurry, start at the 1:45 mark. But don't. Whole story's compelling. (H/T BroBible)