Career
After coming back from major injury, Kearney recorded a 100 metre time of 9.9sec hand timed and 10.16sec electronic, and in 1990 set a new professional world record of 11.82sec over 120 metres. In retirement Kearney was appointed the fitness and speed coach for the Manly Sea Eagles. His role was one of rebuilding, with the main focus being on building strength and speed.
Likewise, in 2000 and 2001 Kearney coached fitness and speed at Sydney Olympic Soccer club
These results were largely due to the team"s improved fitness and speed, which undoubtedly improved their overall physical and mental skill level Clayton has also coached track athletics extensively at Street Aloysius" College, Sydney since 1999.