David Grindley  David Allan Grindley (born 29 October 1972 in Wigan) is a British former 400 metres track and field athlete who reached the final of the men's individual 400 metres (where he placed sixth) and won bronze in the men's 4 x 400 metres relay in the 1992 Barcelona Olympics. His personal best for the 400 metres is 44.47 seconds and is the fastest time by a British teenager. Grindley had a spell playing Rugby Union with Aspull R.U.F.C  Grindley now works as an airline pilot and races (Road bicycle racing) for North Cheshire Clarion.