Usain Bolt of Jamaica(2nd,R) crosses the finish line druing the men's 4X100 Meters Relay final at the 14th IAAF World Athletics Championships 2013 in Moscow, Russia on Aug. 18, 2013. Team of Jamica won the gold with 37.36 seconds. (Xinhua/Li Ming)
Nesta Carter of Jamaica(2nd,R) reacts ahead of the men's 4X100 Meters Relay final at the 14th IAAF World Athletics Championships 2013 in Moscow, Russia on Aug. 18, 2013. Team of Jamica won the gold with 37.36 seconds. (Xinhua/Li Ming)
Nesta Carter of Jamaica(2nd,R) competes during the men's 4X100 Meters Relay final at the 14th IAAF World Athletics Championships 2013 in Moscow, Russia on Aug. 18, 2013. Team of Jamica won the gold with 37.36 seconds. (Xinhua/Li Ming)
Usain Bolt of Jamaica(2nd,R) crosses the finish line druing the men's 4X100 Meters Relay final at the 14th IAAF World Athletics Championships 2013 in Moscow, Russia on Aug. 18, 2013. Team of Jamica won the gold with 37.36 seconds. (Xinhua/Li Ming)
Team of Jamaica pose for photos after the women's 4X100 Meters Relay final at the 14th IAAF World Athletics Championships 2013 in Moscow, Russia on Aug. 18, 2013. Team of Jamica won the gold with 41.29 seconds and set a competition record. (Xinhua/Li Ming)
Nesta Carter of Jamaica(2nd,R) reacts ahead of the men's 4X100 Meters Relay final at the 14th IAAF World Athletics Championships 2013 in Moscow, Russia on Aug. 18, 2013. Team of Jamica won the gold with 37.36 seconds. (Xinhua/Li Ming)
Usain Bolt of Jamaica(R) crosses the finish line druing the men's 4X100 Meters Relay final at the 14th IAAF World Athletics Championships 2013 in Moscow, Russia on Aug. 18, 2013. Team of Jamica won the gold with 37.36 seconds. (Xinhua/Li Ming)
Kemar Bailey-Cole of Jamaica(1st,L) competes during the men's 4X100 Meters Relay final at the 14th IAAF World Athletics Championships 2013 in Moscow, Russia on Aug. 18, 2013. Team of Jamica won the gold with 37.36 seconds. (Xinhua/Li Ming)
