Marathon Rookie How to train for a marathon or half marathon. Includes mistakes to avoid, directories of marathons, and resources.
MarathonGuide.com Provides a marathon directory, searchable by marathon runner's name, race name, and location. Also offers history, records, pace charts, running heartrate, and nutrition calculators, bulletin board, news, training programs.
MarathonPal.com: Marathon Training Information for beginner and advanced marathoners about training, schedules, diet, coaching tips, and techniques.