An online community for competitive runners to meet, record training and race results, discuss, measure-up performances, and improve. Live coaching, health advice, message boards, a comprehensive log, and a PR database.

Club of people who like to skip, and which organizes skips to benefit charities. Site profiles the movement founder and key figures, local skipping activities, and benefits of skipping.

Dedicated to running in the UK, including club directory, training diaries, advice, pace calculators, book reviews and message boards.

A runner's source for running, training information, racing tips, and race registration. From 5k races to marathons, one of the largest running and fitness resource on the web.

A nonprofit organization dedicated to educating and supporting runners. Provides useful suggestions and resources.