Per Andersen wrote:Oldest olympic champ: Linford Christie. Also oldest WC winner 1992-1993. Oldest sub 10: Christie or Darvis Patton. Patton was 35 last season and Christie was born in 1960. Can't remember if he ran sub 10 in 1996. He did in 1995 for sure.
Linford Christie is the oldest to run sub-10. He ran 9.97 on Sep. 23, 1995, when he was 35 and about 5 months.
Patton just turned 35 in December 2012, and thus was still 34 when he ran his last sub-10.