Abel Kipsang smashed the Olympic record in the 1500m as he romped to Saturday's final.
Kipsang posted 3:31.65 bettering the previous mark set by former Olympic champion Noah Ngeny in Sydney twenty years ago of 3:32 07.
Norwegian star Jakob Ingrebrigsten finished second in 3:32.13 as Great Britain's Josh Kerr came home third in 3:32.18 with Spain's Adel Mechad fourth in a personal best 3:32.19 as Stewart Mcsweyn of Australia came fifth in 3:32.54
World champion Timothy Cheruiyot finished third in his heat posting 3:33.95. Charles Simotwo missed out a place in the final after finishing sixth in 3:34.61.
Great Britain's Jake Wightman took top honours in the heat by registering 3:33.48 as Cole Hocker of the USA took the second position in 3:33.87 with Oliver Hoare of Australia came home fourth in 3:34.35 and Ignacio Fontes of Spain clinched the final qualifying spot in 3:34.49
