LONDON - Former Jackson State track and field standout Michael Tinsley continues to advance in the 2012 Olympics. He rolled to a first place finish in his heat in Saturday's semifinal round of the 400 meter hurdles with a time of 48.18. With this performance, Tinsley will compete for all of the marbles on Monday in the finals, which are set for Monday, Aug. 6 at 2:45 pm.