- BKB Limited Event Management - Local and international races from a family fun run to marathons with online registration and past results.
- Island Runner - Provides an international listing of runs that take place on islands. Races are organized by country. Also provides a message board.
- Nude Runners Calendar - Provides a world-wide listing of nude running events. Also contains some links to the event sites.
- 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.
- Half Marathons@ (31)
- Marathons@ (199)
- Ultramarathons@ (62)