. >> for a racer like happenau, it's not just -- hanau, it's not just a race, it's an opportunity.e studies the submerged road as a race track and wears a camera attached to his helmet. >> i paused, thought about it. i couldn't resist to give it a shot. >> he revs his engine and is off. >> i started cruising. everything's cool. no problem. >> then he felt the engine sputter. >> i could go to the right where there's land because i think my bike's going to stall out, or i could try to cross because it's only right there. yeah, i went for it. >> and when he does, he find deep trouble. >> the current got a little strong, the engine stalled out. i fell over. kind of a little flop. i hit the water, that was the first reality check. >> hanau finds himself in the middle of a raging flood. >> at first i didn't freak out too much. okay, this is okay. i can still feel the ground even though the water was up to my waist. bike wouldn't turn on. it was dead. and yeah, i started trying to walk, push toward dry land. >> but the current gets stronger, the water deeper. more aggressive. it was -- fe

. >> hanau finds himself in the middle of a raging flood. >> at first i didn't freak out too much.kay, this is okay. i can still feel the ground even though the water was up to my waist. bike wouldn't turn on. it was dead. and yeah, i started trying to walk, push toward dry land. >> but the current gets stronger, the water deeper. >> the sound of the water was more aggressive. it was -- felt more like you were near whitewater. i was wet. it was cold. and then i lost my bike where it picked up that current. the bike was just pulled from my hands. i felt this force get stronger and stronger, and the next thing i know, i lose grip, and i actually was submerged under water. i was in my full-face helmet, and it's claustrophobic in there especially under water. you can't see anything. the next thing i know, i came to a stop and was able to feel the ground. i looked up and saw shoreline, and i just crawled out on all fours. >> he makes the difficult decision to leave his favorite bike behind but only temporarily. >> i went there saturday, the next day. didn't find it. i was still all sad.