[1] A different venue was chosen each year over the marathon distance of the relevant track.

The competition consisted of heats (normally three) and a final one week later.

[2] The BBC continued to televise the event from 1952 until 1996 on Sportsview (later Sportsnight).

In 2018 the Greyhound Board of Great Britain, who hold the rights of the competition, invited tracks to tender for its hosting following the shock closure of Towcester Greyhound Stadium.

[5] Scurlogue Champ, Ericas Equity, Midway Skipper and Aayamza Royale are the only greyhounds to have won the event twice, while trainers Mark Wallis has trained four winners.