I've never run this race, but it is held in the park where I train, and the trails are awesome. Unfortunately I won't be around this weekend, but if you're near Philly, you should definitely check this one out. All proceeds benefit the park!
http://wissahickonrestorationvolunteers.org/wtc/
Donate to my NYC Marathon fundraiser for Every Mother Counts!
NYCM: 11/4/2018