JFK 50 Miler
- Lists current and past race participants, winners, forms and a list of historical sites along the run starting in Hagerstown.
- http://www.jfk50mile.org/

The Hat Run
- Located in Susquehanna State Park and is geared towards ultrarunners of all abilities. Includes results, runner statistics, news items, application forms, directions, and photographs.
- http://www.hatrun.com/