what does j mean in track and field
Athletics abbreviations When a J is added, it indicates a junior record (if a junior does not reach their 20th birthday in the calendar year of the mark)
Jaguar E-Pace The Jaguar E-Pace is a subcompact luxury crossover SUV produced by the British car manufacturer Jaguar Land Rover (JLR). It was officially revealed on 13 July 2017.[1]