Olympians vie for Worlds qualification - watch on BBC

You can watch the action on the BBC as Guangzhou hosts the seventh edition of the World Athletics Relays.

The mixed 4x100m and 4x400m relay events are set to make their global debut in Guangzhou, while athletes will compete in a total of six events, including the women's 4x100m and 4x400m relay and the men's 4x100m and 4x400m relay.

Olympic legends Shelly-Ann Fraser-Pryce, Wayde van Niekerk, Letsile Tebogo and Shericka Jackson will join 730 athletes from 43 countries in Guangzhou.

Canada's men's 4x100m gold-medal winning squad from Paris 2024 remains unchanged, led by the country's joint-most decorated Olympian Andre de Grasse.

He and his team-mates will be battling for their nation's first World Relays title after finishing second to the United States last year.

The USA squad includes Kenny Bednarek and fellow world medallist Erriyon Knighton.

Great Britain will be counting on Olympian Nethaneel Mitchell-Blake among their 30-strong team.

Qualification places for the World Athletics Championships in Tokyo are available on both days of action in Guangzhou.

The top 14 teams in each of the men's and women's 4x100m and 4x400m, as well as the 4x400m relay, will secure their place for September.

The two remaining spots in each event will be determined by the World Athletics 'top list', which is the global governing body's points-based system of ranking athletes.

On Saturday, the top two teams in each of the four heats will progress to the final, while securing their qualification for the Worlds.

The remaining teams will compete on Sunday in the repechage round, with qualifying spots for the top two in each of the three heats - a system introduced at last year's World Relays in the Bahamas.

Live coverage of all the action, including the finals of each event, will be available on iPlayer, the BBC Sport website and BBC Sport app from 11:50 BST on Saturday, 10 May and from 11:55 BST on Sunday, 11 May.

Saturday, 10 May

Mixed 4x100m relay heats

Mixed 4x400m relay round one

Women's 4x100m relay round one

Men's 4x100m relay round one

Women's 4x400m relay round one

Men's 4x400m relay round one

Sunday, 11 May

Mixed 4x100m relay final

Mixed 4x400m relay round two

Women's 4x400m relay round two

Men's 4x400m relay round two

Women's 4x100m relay round two

Men's 4x100m relay round two

Mixed 4x400m relay final

Women's 4x100m relay final

Men's 4x100m relay final

Women's 4x400m relay final

Men's 4x400m relay final

By BBC , Sport | https://www.bbc.com/sport/athletics/articles/cd7v7x0eww7o