The IAAF World Relays 2019 take place in Yokohama this weekend, 11-12 May. Follow all the live streaming coverage on IAAF.org and more than 80 broadcasters.
Stream live coverage of the IAAF World Relays Bahamas 2017 on April 22-23. Watch several Olympic and World champions as they try to lead their respective teams to victory.
Elaine Thompson, Asafa Powell and Yohan Blake are in the Jamaica IAAF World Relays team, but as expected, there is no Usain Bolt or Shelly-Ann Fraser-Pryce.