Breeder's Digest
afn.org
E-mail discussion list providing a forum for discussion of matters of interest to breeders of Thoroughbred horses.
The Race Cafe
racecafe.co.nz
New Zealand Thoroughbred and harness racing discussion forum and chat.
The Racing Forum
theracingforum.co.uk
An online discussion forum for horse racing enthusiasts all over the world to discuss their passions and views.
Pittsburgh Phil's Place
flatstats.co.uk
Devoted totally to horseracing systems and statistics. Some sections require registration.