• Canada wins gold in the inaugural mixed 4x100m relay with a time of 40.30 seconds.
• Jamaica finishes second at 40.44 seconds, while Britain secures third place in 40.88 seconds.
• The United States did not progress to the finals due to a baton exchange error during heats.

In a remarkable display of speed and teamwork, Canada clinched the gold medal in the inaugural mixed 4x100 metres relay at the World Athletics Relays in Guangzhou, posting a season's best time of 40.30 seconds. The Canadian team, which excelled in both heats and the final, demonstrated exceptional performance with strong contributions from Sade McCreath, Marie-Eloise Leclair, and Duan Asemota, allowing anchor Eliezer Adjibi to unleash his speed down the final stretch, according to Channel News Asia and Reuters.

Jamaica and Britain completed the podium, finishing in second and third places with times of 40.44 seconds and 40.88 seconds, respectively. The United States, considered pre-event favorites, were absent from the final after a disastrous baton exchange during the heats prevented their advancement, according to Dawn, Channel News Asia, and Reuters.

The competition at Guangzhou also highlighted other stellar performances, as Akani Simbine led South Africa to victory in the men's 4x100m relay with a world-leading time of 37.61 seconds. In the women's event, Britain triumphed over Jamaica, clocking 42.21 seconds, while the Spanish women's 4x400m team shocked the United States with a winning time of 3:24.13, according to Channel News Asia and Reuters.