On the penultimate day of World Athletics Championship, star athletes Usain Bolt and MO Farah, will be present on the track one last time, in London. Greatest sprinter of all time, Bolt, would race in men's 4×100 metres relay for Jamaica with the hope to win his 20th global championship title, something he was denied last week when he finished third in the 100 meters.The distance runner, Mo Farah also runs in his last track race the 5,000 metres final. The Briton is aiming to complete an unprecedented World Championship triple-double, having retained his 10,000m title on the first day.In the men's javelin throw Final, India's Davinder Singh will also be seen in action tonight. With an impressive throw of 84.22m he had cleared the automatic qualification by finishing fifth among 16 competitors in his group and seventh overall.