Discuss as:

Mamas, don't let your babies grow up to be BMX riders

Sure, these guys look really cool, but do they have health insurance? Ouch. Watch as they soar (and crash.)

Christophe Ena / AP

Cyclists compete in a BMX cycling men's quarterfinal run during the 2012 Summer Olympics in London, Thursday, Aug. 9, 2012.

Carl De Souza / AFP - Getty Images

Colombia's Carlos Mario Oquendo Zabala takes a spill during the men's BMX cycling heat on Aug. 9.

Matt Rourke / AP

Brazil's Renato Rezende leads the pack during a quarterfinal run on Aug. 9.

Sergey Ponomarev / AP

Ecuador's Emilio Andres Falla Buchely and Brazil's Renato Rezende, right, on the track after a collision during a quarterfinal run on Aug. 9.

Olaf Kraak / EPA

Competition during a quarterfinal run on Aug. 9.

Bryn Lennon / Getty Images

Quentin Caleyron of France falls at the lip of a jump during a quarterfinal run on Aug. 9.

Matt Rourke / AP

Cyclists compete in a quarterfinal run on Aug. 9.

More Olympics pictures on PhotoBlog

Slideshow: Olympics Emotional Moments