China's Su Bingtian set a national record with a personal best time of 9.92 seconds to take second place in the men's 100 meters at the Prefontaine Classic in Eugene, Oregon, USA on Saturday.
Starting from lane one, Su got off to a good start and headed the pack after the first 30 meters, before eventually settling for second place behind the USA's Ronnie Baker.
Su's time of 9.92 seconds was 0.07 seconds faster than his previous personal best, and is also China's national record.