Netsanet Gudeta Kebede en route to the world half marathon title in Valencia (© Jiro Mochizuki for the IAAF)
The following world records have been ratified...
World record
Women’s half marathon: 1:06:11wo Netsanet Gudeta Kebede (ETH) Valencia 24 Mar 2018
Previous: 1:06:25wo Lornah Kiplagat (NED) Udine 14 Oct 2007
World indoor record
Men’s 4x400m: 3:01.77 Poland (K Zalewski, R Omelko, L Krawczuk, J Krzewina) Birmingham 4 Mar 2018
Previous: 3:02.13 United States (K Clemons, D Verburg, K Butler, C Smith) Sopot 9 Mar 2014