Jones broke the American record in the 50 meter freestyle with a time of 21.59. The record was subsequently broken the next day by Garrett Weber-Gale. In the 2008 Olympic Games in Beijing, he won a gold medal in the 4x100m freestyle relay in a world record time of 3:08.24 with Michael Phelps, Jason Lezak and Garrett Weber-Gale.
Jones broke the American record in the 50 meter freestyle with a time of 21.59. The record was subsequently broken the next day by Garrett Weber-Gale. In the 2008 Olympic Games in Beijing, he won a gold medal in the 4x100m freestyle relay in a world record time of 3:08.24 with Michael Phelps, Jason Lezak and Garrett Weber-Gale.