The UK's biggest listing of Runs, Rides, Triathlons, Obstacle Races and Swims - including 100's of the best Marathons, Half Marathons and 10K's near you!

marathonguide.com - the complete marathon resource and community. complete directory of marathons, marathon results, athlete and race news, marathon history, training schedules, chat, email, marathoning humor - everything for the marathon runner and marathon fan.

Find runs and races near you with the RunGuides calendar. 5k, 10k, half/full marathons, ultras, road/trail running events, and everything in between.

The online home of Runner's World magazine. Running news, training advice, inspiring stories, running shoe reviews, gear tips, and more.

runsignup provides a simple way to register for races. you can create and manage your race for free.

every marathon tool you need to find, compare, and run your best marathon - calendars, pace bands, race details, time conversions, race hotels, fastest course rankings, elevation profiles, comparison tools, & more.

Search and book 1000s of incredible events all over the United…

fitness training made easy with mapmyrun.com

A comprehensive set of tools designed to meet the unique needs of event organizers, timers, and fundraising coordinators everywhere.