Relais 4x100 m mixed
Related to the relays, the World Athletics Council approved the running order for the 4x100m mixed relay at the upcoming World Athletics Relays Guangzhou 25 as woman, woman, man, man. This running order will be reviewed after the event in Guangzhou. Records for the 4x100m mixed relay will be recognised as of 1 January 2026 (with the inaugural performance to better the recognised world best performance as of the end of 2025). As well as forming part of the race programme for the World Athletics Relays in Guangzhou, the mixed 4x100m will be contested at the inaugural World Athletics Ultimate Championship in Budapest in 2026.