William Felsen

Email seneca_slopes@mcrrc.org

Events from this organizer

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  • Seneca Slopes 9K 2026

    Seneca Creek State Park 11950 Clopper Road, Gaithersburg, MD, United States

    RACE OVERVIEW: Come to Seneca Creek State Park to enjoy this multi-terrain 9K course, the final event in the Trail Series. The mileage may vary. It's somewhere between 5.5 - […]