It's not exactly a sport you hear an awful lot about, but pole-vaulting is nonetheless a little mental, no? 

This video of vaulter (we're guessing that's what they're called) Allison Stokke from multiple angles is very cool, and underlines the insanity and general danger of what they do.

Also, ABS! Look at those abs. 

Swoon etc. 

Via Mashable