Adelle Tracey is an American-born middle-distance runner competing for Jamaica since 2022, having previously represented Great Britain, where she grew up. Tracey competes primarily in the 800 metres. She placed fourth in the event at the 2018 European Athletics Championships, but claimed a bronze in the North American equivalent, the 2022 NACAC Championships representing her new country, Jamaica. The following day, Tracey won silver for Jamaica in the 1500 metres event in the same championships.

The 2018 Athletics World Cup was held in London, United Kingdom, from 14 to 15 July 2018. This was the first and only edition of this competition.