(L-R) Silas Kiplagat, Asbel Kiprop, James Kiplagat Magut and Collins Cheboi of Kenya after setting a world record of 14:22.22 in the men's 4x1500m at the IAAF World Relays (© Getty Images)
The following world records have recently been ratified...
World records
Men
4 x 1500m 14:22.22 Kenya KEN, Nassau, BAH, 25 May 14
(Collins Cheboi, Silas Kiplagat, James Kiplagat Magut, Asbel Kiprop)
previous: 14:36.23 Kenya KEN, Brussels, BEL, 4 Sep 09
(William Biwott Tanui, Gideon Gathimba, Geoffrey Kipkoech Rono, Augustine Kiprono Choge)
Women
4 x 1500m 16:33.58 Kenya KEN, Nassau, BAH, 24 May 14
(Mercy Cherono, Faith Chepngetich Kipyegon, Irene Jelagat, Hellen Onsando Obiri)
previous: 17:08.34 USA, Philadephia, USA, 2 April 09
(Chanelle Price, Pheobe Wright, Rolanda Bell, Sarah Bowman)
World junior record
Men
100m 9.97 (1.8 m/s) Trayvon Bromell (95) USA, Eugene, USA, 13 Jun 14
previous: 10.01 (0.0 m/s) Darrel Brown (84) TRI, Paris Saint-Denis, FRA 24 Aug 03
IAAF
