University of Bath Triathlon Club
- Provides information on training, fixtures, results and contacts.
- http://people.bath.ac.uk/su6tri/

Tri247
- A UK triathlon community with race calendar, results, club listings and training information.
- http://www.tri247.com/

Chorley Athletics and Triathlon Club
- News, races, contacts, photographs, membership, results, and links.
- http://www.chorleytri.co.uk/

Carneddau Triathlon Club
- Provides news, events, results and training sessions for Carneddau area mutilsport athletes of triathlon and duathlon. (Wales)
- http://www.carneddautriathlon.com/

Deal Tri
- Varied information from this east Kent club, including events calendar, results, leagues, training sessions, fees and membership and joining details.
- http://www.dealtri.co.uk/

Three Peaks Triathletes
- Based in Inverurie, NE Scotland. Training, races, results, news, committee, photographs, and links
- http://www.atld88.dsl.pipex.com/index.htm

Leeds Bradford Triathlon Club
- News, races, contacts, items for sale, membership, and results.
- http://www.lbt.org.uk/

Scottish Triathlon Association (STA)
- Official governing body of triathlon and multisport events in Scotland. Members benefit through race and social events, reduced entry fees, insurance coverage, newsletter, and access to coaching.
- http://www.tri-scotland.org/

Hedgehogtri
- Races, results, events of East Grinstead Tri Club, Mid-Sussex Tri Club, Triton Tri Squad, Hedgehogtri and Freedom leisure.
- http://www.hedgehogtri.co.uk/

Tri London Triathlon Club
- A club for triathlon, multi sport training, cycling, running and swimming based in North London.
- http://www.bodylab.co.uk/trilon/

Manchester Triathlon Club
- Triathlon and Multisport club based in Manchester. Contains club information, news, results, and galleries.
- http://www.man-tri-club.org.uk/

Cardiff Triathletes
- Features training and racing calendar, and results, photo gallery, and contacts. Meet at Western Leisure Centre on Thursday evenings for an all-abilities swim session from 20:30 run by a professional swim coach.
- http://www.cardifftri.net/

Kingswood Tri Club
- A group of amateur athletes based in and around Kingswood, Bristol area. Training, racing and social calendar provided.
- http://www.kingswoodtri.pwp.blueyonder.co.uk/

Greenwich Tritons
- Club based in south-east London. Welcomes anyone who is interested in the sport, from the total novice through to the experienced elite athlete. Training and racing calendar, membership information and contacts are featured.
- http://www.greenwichtritons.org.uk/

Galloway Tri Club
- A small, friendly triathlon club based in remote, rural south west Scotland, where everyone is determined to have a bit of fun while getting fitter. Training and events calendar are provided.
- http://myweb.tiscali.co.uk/peterleonard/gallowaytriclub

Triathlon Club in East London
- East London Triathletes have been around as a club almost as long as the sport of triathlon itself. The club was formed over 15 years ago and since that time has expanded and evolved to have over 50 members from many varied backgrounds.
- http://www.eastlondontriathletes.co.uk/

Tri Sport Epping
- A triathlon club in Essex, England. News, calendar of multi-sports events in Eastern England, race results, advice on training and nutrition, and training camps and races for under 17s.
- http://www.trisportepping.co.uk/

Kingfisher Triathletes
- Based in Kingston Upon Thames, Surrey, England. More than 100 members covering a range from social swimmers to Ironmen.
- http://www.kingfishertriathletes.co.uk/

Amphibians 2 Triathlon Club
- Based at Christ's Hospital, West Sussex. News, race and club events are listed and links to other related sites.
- http://www.a2tri.com/

Cambridge Triathlon Club
- Triathlon club based in Cambridge, England. Training tips, events, results, and membership information.
- http://www.cambridgetriathlonclub.co.uk/

British Triathlon Association (BTA)
- Promotes and governs triathlon, duathlon and multisport athletes through events, clubs, news, performance, development, and a members only area.
- http://www.britishtriathlon.org/

Bolton Metro Triathlon Club
- Based in Bolton, Greater Manchester, England, this is a club for those interested in the triathlon. Athletes find news, race calendar and results, training, a youth section, newsletter, FAQs, and links.
- http://www.boltonmetrotriclub.com/

Ayrodynamic Triathlon Club
- Ayrshire's only multi-sport club. Based on Scotland's South-West coast.
- http://www.ayrodynamic.co.uk/