Course
A multi-terrain trail race of roughly 9K at Seneca Creek State Park, starting and finishing at 11950 Clopper Road, Gaithersburg. The organiser notes the mileage may vary and publishes a course map.
9K9 km
Key dates
- !RegistrationOpen now
- ★Race daySun 6 Dec 2026
Date confirmed with the organiser · entry window checked by RunCalendar
About
MCRRC's Seneca Slopes 9K runs hilly trail loops through Seneca Creek State Park near Gaithersburg, Maryland, part of the club's winter cross-country series on rolling, wooded singletrack each December.
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Save Seneca Slopes 9K to your season and RunCalendar reminds you the morning entries open and before they close. Free on iPhone, no account needed.
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