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
João N'Tyamba place from 1999 as his best finish. He competed in the marathon at two consecutive Olympic Games, placing seventeenth in 2000 and 53rd in 2004. N'Tyamba holds the Angolan records in 800 metres, 1000 metres, 1500 metres, 3000 metres, 10,000 metres, half marathon, and marathon. When N'Tyamba competed in the marathon at 2008 Olympics he became the first male track and field athlete to compete at six Olympics. The other track and field athletes who have competed at six Olympics are Merlene Ottey, Lia Manoliu, Tessa Sanderson, and Maria Mutola. João N'Tyamba João Baptista N'Tyamba (born March 20, 1968) is