LONDON, United Kingdom (AFP) — Defending champions from Beijing 2015 for the August 4-13 IAAF World Championships in London (men/women):

100m: Usain Bolt (JAM)/Shelly-Ann Fraser-Pryce (JAM)

200m: Usain Bolt (JAM)/Dafne Schippers (NED)

400m: Wayde van Niekerk (RSA)/Allyson Felix (USA)

800m: David Rudisha (KEN)/Maryna Arzamasava (BLR)

1500m: Asbel Kiprop (KEN)/Genzebe Dibaba (ETH)

5000m: Mo Farah (GBR)/Almaz Ayana (ETH)

10,000m: Mo Farah (GBR)/Vivian Cheruiyot (KEN)

Marathon: Ghirmay Ghebreslassie (ERI)/Mare Dibaba (ETH)

110/100m hurdles: Sergey Shubenkov (RUS)/Danielle Williams (JAM)

400m hurdles: Nicholas Bett (KEN)/Zuzana Hejnova (CZE)

3000m steeplechase: Ezekiel Kemboi (KEN)/Hyvin Jepkemoi (KEN)

20km race walk: Miguel Angel Lopez (ESP)/Liu Hong (CHN)

50km race walk: Matej Toth (SVK)/NA

4x100m relay: Jamaica/Jamaica

4x400m relay: United States/Jamaica

High jump: Derek Drouin (CAN)/Maria Kuchina (RUS)

Pole vault: Shawnacy Barber (CAN)/Yarisley Silva (CUB)

Long jump: Greg Rutherford (GBR)/Tianna Bartoletta (USA)

Triple jump: Christian Taylor (USA)/Caterine Ibarguen (COL)

Shot put: Joe Kovacs (USA)/Christina Schwanitz (GER)

Discus throw: Piotr Malachowski (POL)/Denia Caballero (CUB)

Hammer throw: Pawel Fadjek (POL)/Anita Wlodarczyk (POL)

Javelin throw: Julius Yego (KEN)/Katharina Molitor (GER)

Decathlon/heptathlon: Ashton Eaton (USA)/Jessica Enis-Hill (GBR)