Hertfordshire Swimming League
- Has news, rules, team lists, draws and results for the Major League, Peanuts League and Senior League, all of which offer inter-club speed swimming competition in Hertfordshire.
- http://www.hsleague.org.uk/

Tandem Club Herts
- Brief club profile and contact details.
- http://www.ctcherts.org.uk/tandem.html

Herts Bird Club
- Featuring recent county bird sightings, articles, conservation news and club information.
- http://www.lanius.co.uk/

Tri-Force Triathlon Club
- Club profile, with information about local events, training, race participation and results.
- http://www.tri-force.org/

Hertfordshire Fencing Association
- Contact information for clubs in the county. County competition calendar and results. Also includes a fencing game, articles and information on the Dieppe Youth Tournament.
- http://www.cramphorn.demon.co.uk/herts/

Moonsky Bengals
- Cat breeders based in Shenley. Photographs and contact details.
- http://www.moonskybengals.co.uk/

Topkidz
- An after school and holiday club open to 4 to 11 year old boys and girls. Profile, locations, and contacts.
- http://www.topkidzgroup.co.uk/

Herts Young Mariners Base
- Outdoor activity centre for all ages.
- http://www.hymb.com/

Herts LTA Tennis
- Information regarding tournaments, clubs, results, players and other news of interest.
- http://www.hertstennis.co.uk/

Baldock and District Canoe Club
- Caters for whitewater, polo and slalom. Profile and activities.
- http://www.thecanoeclub.co.uk/

Hertfordshire Archery Association
- Information on upcoming tournaments and past county champions, as well as a list of clubs and coaching facilities. A history of the club and a links page are also available.
- http://www.hertsarchery.org.uk/

Running in Hertfordshire
- News, events, links, profile, and contacts.
- http://run.runherts.users.btopenworld.com/

Hertfordshire Wheelers Cycle Club
- Local cycle club. Results and pictures. The club takes part in timetrials racing and touring throughout the year.
- http://homepage.ntlworld.com/bruno.cartwright/index.htm

Herts Cyclists' Touring Club
- Profile and information from each section about programme and who's who.
- http://www.ctcherts.org.uk/

Bowmans Green
- Clay pigeon shooting club for sporting shooting. Located in London Colney.
- http://www.users.globalnet.co.uk/~rnewfie/bowmansgreen/index.htm

North Mymms Cricket Club
- Close to St Albans and Hatfield, this premier league cricket club has 4 teams with a strong colts section and good facilities.
- http://www.northmymmscc.co.uk

Chesham Octopush Underwater Hockey Club
- Local group for this unusual sport, featuring links, news and fixtures
- http://www.reedconsulting.com/chesham/

Royal Life Saving Society
- The local Branch of RLSS-UK, offering training in aquatic lifesaving skills and life support (resuscitation), at local venues.
- http://www.rlssherts.org.uk

Hertfordshire Cricket League
- Includes results, fixtures and rules.
- http://www.hertfordshire-league.org.uk/