Claim: Richard Beardsell, a masters athlete (which is a class sport of athletics for athletes over 30) had a personal best of 10.67 in the 100m event and a personal best of 47.52 in the 400m event.
Evidence: Richard Beardsell (born 19 January 1979) is a track and field sprint athlete who competes as a Masters athlete for Great Britain. Masters athletics is a class of the sport of athletics for athletes of over 30 years of age. 10.67 100m 47.52 400m