The event runs from 25 August to 2 September in Osaka - and will be covered extensively on the BBC, with most of the action taking place between 0200-1300 BST.

5k runner Mo Farah

Men:
100m: Marlon Devonish, Craig Pickering, Mark Lewis-Francis, Tyrone Edgar (travelling reserve)
400m: Martyn Rooney, Andrew Steele, Tim Benjamin, Rob Tobin (travelling reserve)
800m: Michael Rimmer
1500m: Andy Baddeley
5000m: Mo Farah
Marathon & IAAF World Cup: Peter Riley, Daniel Robinson
3000m steeplechase: Andrew Lemoncello
110m hurdles: Andy Turner
400m hurdles: Dale Garland, David Greene (travelling reserve)
High Jump: Martyn Bernard, Germaine Mason, Tom Parsons
Pole Vault: Steve Lewis
Long Jump: Greg Rutherford, Chris Tomlinson
Triple Jump: Phillips Idowu
4x100m relay: Marlon Devonish, Tyrone Edgar, Mark Lewis-Francis, Craig Pickering, Alex Nelson, Christian Malcolm
4x400m relay: Tim Benjamin, Martyn Rooney, Andrew Steele, Robert Tobin, Richard Buck, David Greene

Heptathlete Jessica Ennis

Women:
100m: Montel Douglas, Laura Turner
200m: Joice Maduaka, Jeanetee Kwakye
400m: Nicola Sanders, Lee McConnell, Christine Ohuruogu
800m: Jemma Simpson, Marilyn Okoro, Jenny Meadows
1500m: Abby Westley, Lisa Dobriskey
5000m: Jo Pavey
10,000m: Jo Pavey
Marathon & IAAF World Cup: Tracey Morris, Mara Yamauchi
3000m steeplechase: Helen Clitheroe, Hatti Dean
400m hurdles: Tasha Danvers-Smith
Pole Vault: Kate Dennison
Javelin: Goldie Sayers
Heptathlon: Jessica Ennis, Kelly Sotherton
20km walk: Joanna Jackson
4x100m relay: Montel Douglas, Emily Freeman, Jeanette Kwakye, Joice Maduaka, Laura Turner, Anyika Onuora
4x400m relay: Vicky Barr, Donna Fraser, Lee McConnell, Jenny Meadows, Nicola Sanders, Christine Ohuruogu
1500m wheelchair: Shelly Woods