Team France celebrate after the women's 4X400m relay qualifying round 2 at the 2026 World Athletics Relays at the National Stadium in Gaborone, capital of Botswana, May 3, 2026. (Xinhua/Yang Guang)

Team Ireland celebrate after the women's 4X400m relay qualifying round 2 at the 2026 World Athletics Relays at the National Stadium in Gaborone, capital of Botswana, May 3, 2026. (Xinhua/Yang Guang)

Athletes compete during the men's 4X400m relay qualifying round 2 at the 2026 World Athletics Relays at the National Stadium in Gaborone, capital of Botswana, May 3, 2026. (Xinhua/Yang Guang)

Bronze medalist team Spain pose for photos after the women's 4X100m relay final at the 2026 World Athletics Relays at the National Stadium in Gaborone, capital of Botswana, May 3, 2026. (Xinhua/Yang Guang)

Team Portugal celebrate after the mixed 4X100m qualifying round 2 at the 2026 World Athletics Relays at the National Stadium in Gaborone, capital of Botswana, May 3, 2026. (Xinhua/Yang Guang)

Elaine Thompson-Herah (2nd R) of team Jamaica competes during the women's 4X100m relay final at the 2026 World Athletics Relays at the National Stadium in Gaborone, capital of Botswana, May 3, 2026. (Xinhua/Chen Wei)

Yemi Mary John, Lina Nielsen, Alex Haydock-Wilson, Jake Minshull (L to R) of team Britain pose for photos after the mixed 4X400M relay final at the 2026 World Athletics Relays at the National Stadium in Gaborone, capital of Botswana, May 3, 2026. (Xinhua/Yang Guang)

Ackeem Blake, Tina Clayton, Kadrian Goldson, Tia Clayton (L to R) of team Jamaica pose for photos after winning the mixed 4X100m relay final at the 2026 World Athletics Relays at the National Stadium in Gaborone, capital of Botswana, May 3, 2026. (Xinhua/Chen Wei)

Kadrian Goldson of team Jamaica celebrates winning the mixed 4X100m relay final at the 2026 World Athletics Relays at the National Stadium in Gaborone, capital of Botswana, May 3, 2026. (Xinhua/Chen Wei)

Kadrian Goldson, Tia Clayton, Tina Clayton, Ackeem Blake (L to R) of team Jamaica pose for photos after winning the mixed 4X100m relay final at the 2026 World Athletics Relays at the National Stadium in Gaborone, capital of Botswana, May 3, 2026. (Xinhua/Chen Wei)

Gold medalist team the United States celebrate winning the men's 4X100m relay final at the 2026 World Athletics Relays at the National Stadium in Gaborone, capital of Botswana, May 3, 2026. (Xinhua/Chen Wei)

Pjai Austin (C) of team the United States competes during the men's 4X100m relay final at the 2026 World Athletics Relays at the National Stadium in Gaborone, capital of Botswana, May 3, 2026. (Xinhua/Chen Wei)

Pjai Austin of team the United States competes during the men's 4X100m relay final at the 2026 World Athletics Relays at the National Stadium in Gaborone, capital of Botswana, May 3, 2026. (Xinhua/Chen Wei)

Ronnie Baker of team the United States competes during the men's 4X100m relay final at the 2026 World Athletics Relays at the National Stadium in Gaborone, capital of Botswana, May 3, 2026. (Xinhua/Chen Wei)

Ronnie Baker of team the United States competes during the men's 4X100m relay final at the 2026 World Athletics Relays at the National Stadium in Gaborone, capital of Botswana, May 3, 2026. (Xinhua/Chen Wei)

Pjai Austin of team the United States celebrates winning the men's 4X100m relay final at the 2026 World Athletics Relays at the National Stadium in Gaborone, capital of Botswana, May 3, 2026. (Xinhua/Chen Wei)

Silver medalist team South Africa pose for photos after the men's 4X100m relay final at the 2026 World Athletics Relays at the National Stadium in Gaborone, capital of Botswana, May 3, 2026. (Xinhua/Yang Guang)

Silver medalist team South Africa pose for photos after the men's 4X400m relay final at the 2026 World Athletics Relays at the National Stadium in Gaborone, capital of Botswana, May 3, 2026. (Xinhua/Yang Guang)

Duma Gideon Boko (front L), president of Botswana, greets Busang Collen Kebinatshipi (front R) of team Botswana after the men's 4X400m relay final at the 2026 World Athletics Relays at the National Stadium in Gaborone, capital of Botswana, May 3, 2026. (Xinhua/Yang Guang)

Busang Collen Kebinatshipi of team Botswana celebrates winning the men's 4X400m relay final at the 2026 World Athletics Relays at the National Stadium in Gaborone, capital of Botswana, May 3, 2026. (Xinhua/Chen Wei)

Busang Collen Kebinatshipi (C) of team Botswana competes during the men's 4X400m relay final at the 2026 World Athletics Relays at the National Stadium in Gaborone, capital of Botswana, May 3, 2026. (Xinhua/Chen Wei)

Letsile Tebogo (behind) relays with Bayapo Ndori of team Botswana during the men's 4X400m relay final at the 2026 World Athletics Relays at the National Stadium in Gaborone, capital of Botswana, May 3, 2026. (Xinhua/Chen Wei)

Busang Collen Kebinatshipi (R) of team Botswana crosses the finish line during the men's 4X400m relay final at the 2026 World Athletics Relays at the National Stadium in Gaborone, capital of Botswana, May 3, 2026. (Xinhua/Yang Guang)

Bayapo Ndori of team Botswana celebrates winning the men's 4X400m relay final at the 2026 World Athletics Relays at the National Stadium in Gaborone, capital of Botswana, May 3, 2026. (Xinhua/Yang Guang)

Duma Gideon Boko (2nd L), president of Botswana, presents prize money to Busang Collen Kebinatshipi (2nd R) of team Botswana after the men's 4X400m relay final at the 2026 World Athletics Relays at the National Stadium in Gaborone, capital of Botswana, May 3, 2026. (Xinhua/Yang Guang)

Silver medalist team South Africa pose for photos after the men's 4X400m relay final at the 2026 World Athletics Relays at the National Stadium in Gaborone, capital of Botswana, May 3, 2026. (Xinhua/Yang Guang)

Bayapo Ndori of team Botswana reacts after winning the men's 4X400m relay final at the 2026 World Athletics Relays at the National Stadium in Gaborone, capital of Botswana, May 3, 2026. (Xinhua/Chen Wei)

Busang Collen Kebinatshipi of team Botswana celebrates winning the men's 4X400m relay final at the 2026 World Athletics Relays at the National Stadium in Gaborone, capital of Botswana, May 3, 2026. (Xinhua/Chen Wei)

Bronze medalist team Australia pose for photos after the men's 4X400m relay final at the 2026 World Athletics Relays at the National Stadium in Gaborone, capital of Botswana, May 3, 2026. (Xinhua/Yang Guang)

Athletes of team Norway celebrate winning after the women's 4x400m relay final at the 2026 World Athletics Relays at the National Stadium in Gaborone, capital of Botswana, May 3, 2026. (Xinhua/Chen Wei)

Josefine Tomine Eriksen Aks, Amalie Iuel, Henriette Jaeger (L to R) of team Norway celebrate winning after the women's 4x400m relay final at the 2026 World Athletics Relays at the National Stadium in Gaborone, capital of Botswana, May 3, 2026. (Xinhua/Chen Wei)

Astri Ertzgaard, Josefine Tomine Eriksen Aks, Amalie Iuel, Henriette Jaeger (L to R) of team Norway celebrate winning after the women's 4x400m relay final at the 2026 World Athletics Relays at the National Stadium in Gaborone, capital of Botswana, May 3, 2026. (Xinhua/Chen Wei)

Amalie Iuel of team Norway celebrates winning after the women's 4x400m relay final at the 2026 World Athletics Relays at the National Stadium in Gaborone, capital of Botswana, May 3, 2026. (Xinhua/Chen Wei)

Astri Ertzgaard (front) of team Norway competes during the women's 4x400m relay final at the 2026 World Athletics Relays at the National Stadium in Gaborone, capital of Botswana, May 3, 2026. (Xinhua/Chen Wei)

Henriette Jaeger (R) of team Norway competes during the women's 4x400m relay final at the 2026 World Athletics Relays at the National Stadium in Gaborone, capital of Botswana, May 3, 2026. (Xinhua/Chen Wei)

Henriette Jaeger of team Norway competes during the women's 4x400m relay final at the 2026 World Athletics Relays at the National Stadium in Gaborone, capital of Botswana, May 3, 2026. (Xinhua/Yang Guang)

Athletes of team Norway celebrate winning after the women's 4x400m relay final at the 2026 World Athletics Relays at the National Stadium in Gaborone, capital of Botswana, May 3, 2026. (Xinhua/Yang Guang)

Josefine Tomine Eriksen Aks (L) and Amalie Iuel of team Norway celebrate winning after the women's 4x400m relay final at the 2026 World Athletics Relays at the National Stadium in Gaborone, capital of Botswana, May 3, 2026. (Xinhua/Chen Wei)

Henriette Jaeger of team Norway competes during the women's 4x400m relay final at the 2026 World Athletics Relays at the National Stadium in Gaborone, capital of Botswana, May 3, 2026. (Xinhua/Chen Wei)

Josefine Tomine Eriksen Aks (L) and Amalie Iuel of team Norway celebrate winning after the women's 4x400m relay final at the 2026 World Athletics Relays at the National Stadium in Gaborone, capital of Botswana, May 3, 2026. (Xinhua/Chen Wei)

Silver medalist team Spain celebrate after the women's 4x400m relay final at the 2026 World Athletics Relays at the National Stadium in Gaborone, capital of Botswana, May 3, 2026. (Xinhua/Yang Guang)