INQUIRER: Usain Bolt, the holder of world records in the 100 and 200 meters and the most recognizable name in track and field, will compete at the Penn Relays as part of the USA vs. the World event April 24, USA Track and Field announced Thursday. Bolt, of Jamaica, is scheduled to compete in the men’s 4×100 relay. He established world records in the 100 (9.58 seconds) and the 200 (19.19) at last summer’s World Outdoor Championships in Berlin. Bolt won three gold medals in 2008 at the Beijing Olympics, setting world records of 9.69 in the 100 and 19.30 in the 200 and being part of a world-record time of 37.10 in the 4×100. He is the only man in history to hold Olympic and world titles in the 100 and 200 at the same time. MORE