The mixed 4 × 100 metres relay at the 2025 World Athletics Relays was held at the Tianhe Stadium in Guangzhou, China on 10 and 11 May.

It was the first time a mixed 4 × 100 metres was held at the World Athletics Relays.

Records No records were established prior to the championships. RecordTeamLocationDateWorld recordVacant—Championships recordVacant—2025 World LeadingVacant—

Qualification On 10 November 2024, World Athletics announced the qualification system for the championships. The top 16 teams in each event at the 2024 Summer Olympic Games qualify for entry to the championships. The host country China will enter with one team in each event, regardless of any entry conditions. The remaining teams (up to 32 in total per event) will be determined through the top lists in the qualification period (1 January 2024 to 13 April 2025).

Program All times are local (UTC+8). DateTimeRound10 May 202519:01Heats11 May 202519:05Final

Results

Heats The heats were held on 10 May 2025, starting at 19:01 (UTC+8) in the evening. Qualification: First 2 of each heat () plus 2 fastest times () qualify to the Final.

Heat 1 Rank Lane Nation Competitors Time Notes 1 8 Alice Pagliarini, Gaya Bertello, Andrea Federici, Samuele Ceccarelli 41.15 2 7 , , , 41.28 3 6 Lena Weiss, Soraya Becerra, Mathieu Chèvre, Jonathan Gou Gomez 41.92 4 5 Kennedy Blackmon, Jada Mowatt, Kendal Williams, Pjai Austin 1:05.77 4 , , Adrian Brzeziński, Marek Zakrzewski

Heat 2 Rank Lane Nation Competitors Time Notes 1 6 Natasha Morrison, Krystal Sloley, Javari Thomas, Rasheed Foster 41.04 2 7 Nia Wedderburn-Goodison, Kissiwaa Mensah, Jeriel Quainoo, Joe Ferguson 41.05 3 8 Shuping Huang, Lingyao Kong, Jinfeng Chen, Guanfeng Chen 41.30 4 5 Sina Mayer, Sina Kammerschmitt, , Chidiera Onuoha 41.43 4 Esperança Cladera, Jaël Bestué, Adria Alfonso, Ricardo Sánchez

Heat 3 Rank Lane Nation Competitors Time Notes 1 6 Gabrielle Cole, Jacqueline Madogo, Duan Asemota, Eliezer Adjibi 40.90 2 8 Olivia Dodds, Carla Bull, Connor Bond, Josiah John 41.15 3 5 Janie De Naeyer, Lotte Van Lent, Robbe Torfs, Rendel Vermeulen 41.24 4 7 Demi van den Wildenberg, Fenna Achterberg, Timo Spiering, Eugene Omalla 41.81 4

Final The final was held on 11 May 2025, starting at 19:05 (UTC+8) in the evening. RankLaneNationCompetitorsTimeNotes6Sade McCreath, Marie-Éloïse Leclair, Duan Asemota, Eliezer Adjibi40.307Serena Cole, Krystal Sloley, Javari Thomas, Bryan Levell40.448Asha Philip, Kissiwaa Mensah, Jeriel Quainoo, Joe Ferguson40.8849Olivia Dodds, Carla Bull, Connor Bond, Josiah John41.2255Chiara Melon, Gaya Bertello, Roberto Rigali, Stephen Baffour41.2564, , , 41.3173Shuping Huang, Lingyao Kong, Jinfeng Chen, Guanfeng Chen41.5682Janie De Naeyer, Lotte Van Lent, Robbe Torfs, Rendel Vermeulen41.72

References