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...
MapMyRun.com is a community web site for runners and joggers who want to stay healthy, lose weight or train more effectively. MapMyRun.com provides easy-to-use, comprehensive web-based running tools, social networking, running iPhone applic...