Athletes Coached: Jason Gardener, Colin Jackson, Dai Greene, John Akii-Bua, Eilidh Child, Lawrence Clarke, Andy Pozzi
Malcolm is one of the Britain's most successful and respected athletics coaches, having coached athletes to a succession of medals on the biggest sporting stages.
Malcolm has coached at 12 Olympic Games - every one since Mexico City in 1968 - and his athletes have to date won three Olympic medals and seven World Championship gold medals.
He has headed up the British Athletics centre at the University of Bath since 1998 and in that time athletes coached by Arnold have won 40 medals at Olympic Games, World Championships, Commonwealth Games and European Championships.
UK Athletics Senior Performance Coach 1997-present
Performance Director, UK athletics 1996-1997
British Athletics Head Coach & Development 1994-1997
Welsh National Coach, 1974-1994
Director of Coaching, Uganda 1968-1972