Christine Day (born 23 August 1986) is a Jamaican sprinter who specializes in the 400 metres. She represented Jamaica at the 2012 Summer Olympics in the individual 400 m and in the 4 × 400 metre relay.Sports Reference profile Day was eliminated in the semifinals of the individual 400 m but she and teammates Rosemarie Whyte, Shericka Williams and Novlene Williams-Mills won bronze in the relay.

Day won a bronze medal at the 2014 Glasgow in the women's 400 m behind teammates Stephanie McPherson and Novlene Williams-Mills. She along with Williams-Mills, McPherson and Anastasia Le-Roy won gold in the 4 × 400 metres women team and helped them in setting a games' record of 3 minutes 23.82 seconds (3:23.82) at the 2014 Commonwealth Games.

International competitions Representing 2008NACAC U23 ChampionshipsToluca, Mexico1st4 × 400 m relay3:27.462009World ChampionshipsBerlin, Germany23rd (sf)400 m53.462012Olympic GamesLondon, United Kingdom10th (sf)400 m51.192nd4 × 400 m relay3:20.952013World ChampionshipsMoscow, Russia –4 × 400 m relayDQ2014World RelaysNassau, Bahamas2nd (h)4 × 400 m relay3:24.95Commonwealth GamesGlasgow, United Kingdom3rd400 m51.091st4 × 400 m relay3:23.82Continental CupMarrakesh, Morocco1st4 × 400 m relay3:20.9312015World RelaysNassau, Bahamas2nd4 × 400 m relay3:22.49World ChampionshipsBeijing, China4th400 m50.141st4 × 400 m relay3:19.132016Olympic GamesRio de Janeiro, Brazil15th (sf)400 m51.53 2nd (h)4 × 400 m relay3:22.382017World RelaysNassau, Bahamas3rd (h)4 × 400 m relay3:29.932018Commonwealth GamesGold Coast, Australia1st4 × 400 m relay3:24.00NACAC ChampionshipsToronto, Canada5th400 m53.042nd4 × 400 m relay3:27.252019World RelaysYokohama, Japan5th (h)4 × 400 m relay3:28.80 1Representing the Americas

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