The 1952 Southern League was the first season of the newly created regional third tier of speedway racing in the United Kingdom for Southern British teams.Ipswich Witches and Southampton Saints were new entrants.[3][4] Long Eaton Archers withdrew mid-season after experiencing financial difficulties.[5][6] Withdrawal (Record expunged) : Long Eaton Archers The 1952 National Trophy was the 15th edition of the Knockout Cup.[9] Third Division qualifying first round Third Division qualifying second round Third Division qualifying semifinals First leg Second leg Aldershot Cardiff Exeter Ipswich Long Eaton (withdrew) Plymouth Rayleigh St Austell Southampton Swindon Wolverhampton