Schotland

(Scottish Borders, Dumfries&Galloway, Lothian, Argyll, Fife, Tayside, Grampian, Highlands, Orkneys, Shetlands)

3B Racing
Ayrodynamic Tri Club
Dumfries Triathlon Club
East Lothian Triathlon Club
Edinburgh Road Club
Edinburgh Triathletes
Fleet Feet Tri Club
Glasgow Triathlon Club
Kings Triathletes
Lomond Tri Club
Orkney Triathlon Club
Scottish Borders triathletes
Stirling Triathlon Club
Three Peaks Triathletes, Inverury

North East Region

(Northumberland, Cleveland, Durham, Tyne & Wear)

Cleveland Triathlon Club
Durham Triathlon Club
Hartlepool Triathletes
NE 31 Tri Club
Ryton Triathletes
Sun City Tri
Tyne Triathlon Club

North West Region

(Merseyside, Lancashire, Cheshire, Cumbria, Greater Manchester)

Chorley AC & Tri
Chester Tri Club
Manchester Tri Club
Team Meridian, Warrington
Warrington Tri Club

Yorkshire & Humberside

Leeds and Bradford Tri Club
Leeds University Tri Club
North Yorkshire Police Triathlon Club
Sheffield Tri Club
White Rose Triathletes

Wales

(Anglesey, Clwyd, Dyfed, Glamorgan, Gwynedd, Gwent, Powys)

Brecon Multisport
Cardiff Triathletes
Carneddau Triathlon Club
Cerist Triathlon Club
Cerist Sloe Gin Triathlon
Fontygary Triathlon Club
Les Croupiers, Cardiff
Pembrokeshire Tri Club
Pencoed Triathlon Club
Rhondda Tri
Taff Ely Triathlon Club
Team Deviant
Wrecsam Tri Club

East Midlands Region

(Leicestershire, Derbyshire, Lincolnshire, Nottinghamshire, Northamptonshire)

Derby Triathlon Club
High Peak Triathlon Club
Lincoln Triathlon Club
Mansfield Tri Club
Northants Tri

West Midlands Region

(Shropshire, Staffordshire, Hereford & Worcester, Warwickshire)

Black Country Triathletes
BRAT Club (Birmingham Running and Triathlon Club)
Burntwood Tri Club
Coventry Triathletes
Hereford Triathlon Club
Redditch Triathletes
University of Birmingham Triathlon Team
Worcester Tri Club

Eastern Region

(Bedfordshire, Norfolk, Suffolk, Hertfordshire, Cambridgeshire, Essex)

Bedford Traktors
Blackwater Tri
Cambridge Triathletes
East Essex Triathlon Club
53-12 (Colchester)
Fairlands Vally Spartans Tri
Hemel Hempstead Cycling/Triathlon Club
Ipswich Triathlon Club
Mid Sussex Tri Club
Pactrac
Peterborough Endurance Sports Team
Team Viper SMS
Tri-Anglia
Tri-Force Herts
Tri Sport Epping
Walden Tri
West Suffolk Triathletes

Greater London

Crystal Palace Triathletes
East London Triathletes
Greenwich Tritons
Hillingdon Triathletes
Ironmonger Triathlon Club
Kingfisher Triathletes
Metropolitan Police Triathlon Club
Optima Racing Team
Serpentine RC Tri
South London Harriers
Team Squeeze
Thames Turbo
Trent Park Running Club
Tri London
Twickenham Cycling Club
Wimbledon Windmillers

South East Region

(Kent, Surrey, Sussex, Berkshire, Hampshire, Buckinghamshire, Oxfordshire)

Amphibians 2
Andover Triathlon Club
Berkshire Tri Squad
Blue Fins Tristars
Bodyworks XTC
Brighton Phoenix Tri
Chapel Tri-Stars Junior Tri Club
Chiltern Harriers AC / Chiltern Triathletes
Deal Tri and Running Club
DeSoto Synergie
East Grinstead Tri Club
Eton Tri Club
Farnham Triathlon Club
Ingarfield Condor Triathlon & Adventure Team
Mid Sussex Triathlon Club
Team Milton Keynes
Oxford Triathletes
Oxford University Tri Club
Phoenix Tri Club
Portsmouth Triathletes
Selsey Runners
Sevenoaks Tri Club
Southampton Tri Club
Southampton University Tri Club
Swindon Triathlon Club
Team Cherwell
Team Outrageous
Thames Valley Triathletes
Tri Esporta Crawley
Triton Tri Squad
Triquays
Tuff Fitty
Tunbridge Wells Harriers
Utopia Triathlon Club
White Oak Tri Club
Z Tri

South West Region

(Gloucestershire, Wiltshire, Somerset, Dorset, Cornwall, Devon, Avon)

Bath Amphibians
Bath University Tri Club
Bristol & District Triathletes (BAD Tri)
Club Bob Dob Aleana
Cheltenham Triathlon Club
Exeter Triathlon Club
Kingswood Triathlon Club
Marlborough Triathletes (MAD Tri)
North Devon Triathletes
North Dorset Triathlon Club
Plymouth Tri Club
Primera Bournemouth
Somerset RC Tri
Swindon Triathlon Club
Tewkesbury Triathlon Club
Tri-Logic
Tri Team Glos
University of Bristol Triathlon Club

Overig

Army Triathlon Association
Royal Air Force Triathlon Association
National Fire Service Triathlon Club
Advance Performance Racing Team
Team Volcano International

Ierland

Galway Triathlon Club
3D Triathlon Club, Ashbourne
Tsunami Triathlon Club, Dublin
Cork Triathlon Club
Limerick Triathlon Club
Triangle Triathlon Club, Ulster
Midland Triathlon Club
Hi-Elbow Triathlon Club