Athletes with the Olympic 'A' qualifying standard were able to seal their place on the British team for London by finishing first or second in their event at this weekend's trials in Birmingham.
Here, the 33 who did just that at the Alexander Stadium are listed.
WOMEN
Sophie Hitchon (Hammer)
Christine Ohuruogu, Shana Cox (400m)
Tiffany Porter, Jessica Ennis* (100m hurdles)
Shara Proctor (long jump)
Goldie Sayers (javelin)
Perri Shakes-Drayton, Eilidh Child (400m hurdles)
Eilish McColgan (3,000m steeplechase)
Laura Weightman (1,500m)
Holly Bleasdale, Kate Dennison (pole vault)
Jo Pavey (5,000m)
Margaret Adeoye, Anyika Onuora (200m)
* Ennis will be entered for the hurdles as a back-up to the heptathlon.
MEN
Steve Lewis (pole vault)
Greg Rutherford (long jump)
Dai Greene, Jack Green (400m hurdles)
Andy Baddeley, Ross Murray (1,500m)
Adam Gemili (100m)
Robbie Grabarz (high jump)
Nick McCormick (5,000m)
Martyn Rooney, Conrad Williams (400m)
James Ellington, Christian Malcolm (200m)
Lawrence Okoye (discus)
Andrew Osagie (800m)
Andrew Pozzi, Lawrence Clarke (110m hurdles)
