Youngest/Oldest gold medallist, medallist, finalist, competitor
WOMEN
Youngest
competitor in the women’s 4x400m-Heather Gooding (BAR)-14 years 173 days (1972)
Oldest medallist (not gold) in any track and field event-Merlene Ottey (JAM)-40 years 143 days (2000)
gold medallist in the women’s 200m-Pauline Davis-Thompson (BAH)-34 years 81 days (2000)
medallist in the women’s 100m-Merlene Ottey (JAM)-bronze-40 years 136 days (2000)
medallist in the women’s 200m-Merlene Ottey (JAM)-silver-36 years 83 days (1996)
medalist in the women’s 4x100m-Merlene Ottey (JAM)-silver-40 years 143 days (2000)
medallist in the women’s 4x400m-Sandie Richards (JAM)-bronze-35 years 296 days (2004)
finalist in the women’s 100m-Merlene Ottey (JAM)-40 years 136 days (2000)
finalist in the women’s 200m-Merlene Ottey (JAM)-36 years 83 days (1996)
finalist in the women’s 4x100m-Merlene Ottey (JAM)-40 years 143 days (2000)
finalist in the women’s 4x400m-Sandie Richards (JAM)-35 years 296 days (2004)
competitor in the women’s 200m-Merlene Ottey (SLO)-44 years 106 days (2004)
competitor in the women’s 3000m steeplechase-Korene Hinds (JAM)-36 years 199 days (2012)
competitor in the women’s javelin-Laverne Eve (BAH)-43 years 327 days (2008)
competitor in the women’s 4x100m-Chandra Sturrup (BAH)-40 years 332 days (2012)
MEN
Youngest gold medallist in the men’s javelin-Keshorn Walcott (TTO)-19 years 131 days (2012)
medallist in the men’s javelin-Keshorn Walcott (TTO)-19 years 131 days (2012)
Oldest gold medallist in the men’s 4x400m-Chris Brown (BAH)-33 years 300 days (2012)
medallist in the men’s 4x400m-Chris Brown (BAH)-33 years 300 days (2012)
medallist in the men’s 800m-Arthur Wint (JAM)-silver-32 years 58 days (1952)
finalist in the men’s 400m hurdles-Danny McFarlane (JAM)-36 years 186 days (2008)
finalist in the men’s 400m-Chris Brown (BAH)-33 years 296 days (2012)
(Source-2016 Rio Olympics IAAF Hand book).