Jamaican Usain Bolt trumped American rival Justin Gatlin to retain his world 100m title today. Bolt, also the double Olympic gold medallist and world record holder in the blue riband event, ran a season's best of 9.79 seconds. Gatlin, who has served two doping bans, was just one-hundredth of a second off Bolt, taking silver in 9.80sec. On the second day of the World Athletics Championships in Bejing today, Great Britain ranks first in the medals tally with two gold, followed by United States with 4 medals, including one gold. Germany ranks third with two medals, one of which is gold. In Women's Heptathlon, Jessica Ennis-Hill of Great Britain won the gold, securing 6669 points. In Men's 25 kilometre walk, Miguel Angel Lopez of Spain won the gold, clocking 1 hour, 19 minutes and 14 seonds. Reigning Asian champion and Indian shot putter Inderjeet Singh finished last in the final round to end his maiden World Athletics Championships appearance in disappointment. Another Indian, Baljinder Singh took the 12th spot in 20 kilometer race walk event.