MCRRC Seneca Slopes 9K
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Seneca Slopes 9K - MCRRC
Seneca Slopes is a multi-terrain 9K trail race held at Seneca Creek State Park in Gaithersburg, MD. The course is listed as approximately 9 kilometers, with actual mileage that may vary and is reported to be between 5.5 and 6 miles. A course map is available for participants.
The event is the final race in the Trail Series and is included in MCRRC’s low-key race program and cross-country categories. It takes place on December 6, 2026, at Seneca Creek State Park, 11950 Clopper Road, Gaithersburg, MD 20878.
Registration and entry details differ for members and non-members. MCRRC members do not pay a race entry fee but must obtain a 2026 bib and timing chip in advance; existing chips from 2025 or earlier can be exchanged, and new chip deposits are required when applicable. Non-members pay an entry fee of $22 for participants 18 and older and $11.60 for participants under 18; those prices include registration and processing fees. Online registration remains open through the start of the race. Bib and chip pickup occurs on race morning near the start area, with volunteers on site to assist.
MCRRC events are staffed by volunteers, and volunteers are needed for this race. For non-members who cannot attend, registrations may be moved to another MCRRC low-key event; monetary refunds are not provided. Visit the organization's website for the most recent information.
