England
Abingdon Amblers AC, Accrington Road Runners, Achilles, Aldershot, Farnham and District AC, Amazing Feet RC, Ambleside AC, Amesbury Athletic Club, Ampthill and Flitwick Flyers, Arena 80 AC, Avon Valley Runners
Northern Ireland
Ballymena Runners, Irish Milers Club, Lisburn Athletic Club, North Belfast Harriers, Queen's Athletics Club, Sparta Northwest
Scotland
Calderglen Harriers, Carnethy Hill Running Club, Clydesdale Harriers, Corstorphine Amateur Athletic Club, Cosmic Hillbashers, Falkirk Victoria Harriers, Fife Athletic Club, Forres Harriers, Gala Harriers, Garioch Road Runners
Wales
Abergele Harriers, Chepstow Harriers, Les Croupiers Cardiff, Newport Harriers, Newtown Athletic Club, Pontypridd Roadents, Rhondda Valley Runners, San Domenico, Sospan Road Runners
Road Runners Club
One of the largest athletic clubs in the world and organisers of the 55 mile London to Brighton race.