In 2012 , Equestrian show jumper Ian Millar competed at his tenth Summer Olympics , tying the record for most Olympic games participated in set by Austrian sailor Hubert Raudaschl between 1964 and 1996 .
In 2008 , Equestrian show jumper Ian Millar was at his ninth Summer Olympics , tying the record for most Olympic games participated in set by Austrian sailor Hubert Raudaschl between 1964 and 1996 .