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NEW YORK, March 5 (Reuters) - World Athletics has added the indoor 4x400 metres mixed relay to the rule book as an official discipline, the sport's global governing body said on Wednesday, ahead of ...

DOHA, Qatar — Former Texas A&M All-American Jessica Beard ran a leg on the United States’ mixed 4x400-meter relay team that set the world record Saturday at the IAAF World Championships at Khalifa ...

GUANGZHOU, China (AP) — Canada won the first ever World Relays mixed 4x100-meter title in Guangzhou, China on Sunday. The Canadian team of Sade McCreath, Marie-Eloise Leclair, Duan Asemota and Eliezer ...