Jo Pavey track event athletes from the UK have also competed in five games or more, javelin thrower Tessa Sanderson with six appearances and walker Chris Maddocks with five appearances. Like Pavey Maddocks also comes from the English county of Devon. At the age of 42 years 11 months, Pavey also became the oldest British track competitor at an Olympic Games. Her time of 31:33.44 is recognised as the official world record/best by an over 40, although Kenyan Edith Masai ran an unratified 31:31.18 in 2007. Pavey continues to compete at the age of 45. At the London 2017 World Championships she
Mark Jackson (athlete) Mark Jackson (athlete) Mark Benjamin Jackson (born May 15, 1969) is a retired track and field athlete from Canada, who competed in the men's 400m hurdles event. He competed for his native country at the 1992 Summer Olympics in Barcelona, Spain, finishing in 19th place. He was born in Toronto, Ontario. In addition to his successes as a track and field athlete, Jackson is a world medalist in the sport of dragon boat racing. As a member of the Slipstream Dragon Boat crew from Toronto, Ontario, Jackson won a bronze medal in the premier mixed 500 meter final at the