Yokohama to host IAAF World Relays in 2019 0 5 12 Oct 2018 13:25 Timesofindia.indiatimes.com (sports) The 2019 athletics World Relays will be held in the Japanese city of Yokohama after the hosts for the last three editions, the Bahamas, were no longer able to offer financial backing, the IAAF said Friday.