Usain Bolt's Olympics status uncertain after withdrawal from Jamaican Championship

Six-time Olympic gold medalist Usain Bolt has withdrawn from the Jamaican national athletics championships, but says he still hopes to compete in the Rio Games. Bolt tweeted Friday night that he has a grade 1 tear in his left hamstring.

He said he first felt discomfort in his leg after he ran in the first round of qualifying for the 100 meters Thursday. After he won his semifinal heat Friday evening he felt pain again and saw a doctor, who diagnosed the tear.

"I will seek treatment immediately and hope to show fitness at the London Anniversary Games on July 22 to earn selection for the Olympic Games in Rio," Bolt, the world record holder at 100 and 200 meters. said.

Bolt said he submitted a medical exemption ahead of Friday night's 100 meter final, asking to miss the final and the rest of the events at Jamaica's Olympic trials. The athletics schedule at the Olympics begins August 12.