Gabby Logan presents live coverage of British Athletics' World Championship Team Trials from the Alexander Stadium in Birmingham.Not only will Britain's best athletes be aiming to become a national champion, they will also be hoping to book themselves a place at the World Athletics Championships in London, which starts in little over a month's time.In last year's championships, finals day on the Sunday produced a succession of thrilling moments, with sprinters Dina Asher-Smith and Adam Gemili both winning their respective 200m races in dramatic fashion.Gabby will be joined by Colin Jackson, Denise Lewis and Toni Minichiello for expert analysis, while commentary comes from Steve Cram, Steve Backley, Paula Radcliffe and Andrew Cotter.