BKB Limited Event Management
Local and international races from a family fun run to marathons with online registration and past results.

W2 Promotions Professional Road Race Management
Aids non-profit organizations raise awareness and funds by organizing 5K and 10K runs and walks, marathons, triathlons, and family fun runs.

Nude Runners Calendar
Provides a world-wide listing of nude running events. Also contains some links to the event sites.

Island Runner
Provides an international listing of runs that take place on islands. Races are organized by country. Also provides a message board.