U.S. men's 4x100 relay fails to advance to final

Americans set world record in 4x400 mixed relay. It might only last a day

U.S. men bounced from 4x100 relay with 6th place heat finish

Canadian men's gold medal 4x100-metre relay team all smiles after performance in final

Canada's men's 4x100-metre relay team strike gold in Paris

World Athletics | 4x400 Metres Relay