Noah Lyles led the US 4x100m men's team to victory at the World Athletics Relays, clocking 37.40 seconds, with Gabby Thomas securing two golds in quick succession for the American team.

Canada claimed silver in the men's 4x100m relay, while Italy, initially awarded bronze, was later disqualified, with France taking third place.

In the women's events, the US team dominated, setting a championship record in the 4x100m relay and winning the 4x400m relay as well. Thomas played a pivotal role in both victories.

Notably, the Netherlands' Femke Bol delivered an impressive last lap in the mixed 4x400m relay, but the US team secured the gold, setting a championship record.

Botswana emerged victorious in the men's 4x400m relay, while the Bahamas and Jamaica secured their spots in the Olympics in the mixed 4x400m relay and women's 4x100m relay, respectively.