PHOTOS: The gold medallists on Day 15 at Rio Olympics

Check out the winners on Saturday, Day 15 of the 2016 Games in Rio de Janeiro. United States reclaim men's 4x400m title IMAGE: The USA's Lashawn Merritt reacts after winning gold in the men's......

Rio Olympics: United States reclaim men's 4x400m title

IMAGE: Lashawn Merritt of the United States competes during the Men's 4 x 400 meter Relay on Day 15 of the Rio 2016 Olympic Games at the Olympic Stadium on Saturday. Photograph: Cameron......

Usain Bolt eases into 200m semis in 20.28s

IMAGE: Jamaica’s Usain Bolt, centre, eases to victory in the men's 200 metres Round 1 - Heat 9 on Tuesday, Day 11 of the Rio Olympics. Photograph: Paul Gilham/Getty Images) Usain Bolt roused......

Brilliant Van Niekerk smashes 400m world record

'The world record was broken, the best man won' IMAGE: Wayde van Niekerk of South Africa celebrates after winning the Men's 400 meter final and setting a new world record of 43.03 on Day 9 of the......

10 Track & Field events you must not miss at the Rio Olympics

Ten days of athletics competition at the Rio Olympics begin on Friday. Following are 10 events not to miss at the Olympic Stadium:MEN'S 100 and 200 METRES IMAGE: Jamaica's Usain Bolt crosses the......