Usain Bolt has beaten the best sprinters in the world, so now he has to turn to large vehicles for competition.
The Jamaican sprinter staged a race against a bus in an 80 meter sprint in in Buenos Aires. The gold-medal winner wasn't taking the race lightly, as he stretched for several minutes before blowing the bus away.
But as soon as the race began, it was clear who had the advantage. Usain Bolt took such a lead on the bus that he never even got into full gear, stopping before he even reached a sprint.
After he beat the bus, Bolt took on some real competition, racing fellow Jamaicans Mario Forsythe, Kimmari Roach and Daniel Bailey. The race against the bus must not have taken too much out of Usain, who again cruised to victory.
While the race against the bus was all in good fun, Bolt is serious when it comes to defending his title as the world's fastest man. After winning the 100 meter, 200 meter, and 4 x 100 meter relay gold medals in consecutive Olympic games, Bolt is looking to make it a trifecta in Rio in 2016.
"One of my main goals is to go to the Rio Olympics, as I was saying, to do it again," Bolt said. "To defend my titles and it's never been done three times so, for me, that's me trying to set the bar as high as possible. To just push the barrier."
Some thought Usain Bolt may not compete in Rio at all. After this year's world championships in Moscow, Bolt was evasive with reporters when asked about his future. He admitted that it was a struggle to remain motivated after reaching the pinnacle of the track world, but eventually cleared the air and said he planned on competing again in Rio.
"So far it's after the Olympics in Rio," Bolt said of when he could retire. "If I'm in great shape and I go there and do what I have to do, I think it would be a good time to retire on top and having dominated for so long."
Usain Bolt didn't specify if his retirement included racing against buses or just other humans.