When
Sunday, December 6th, 2026
Where
Seneca Creek State Park, Gaithersburg MD
Distance
About this race
🏃♂️ MCRRC Seneca Slopes 9K
Welcome to the NON-MEMBER registration page for the MCRRC Seneca Slopes 9K!
🗓️ Date and Location
- Date: December 6, 2026
- Location: Seneca Creek State Park, Gaithersburg, MD
👥 Volunteer Opportunities
This page may also be used to sign up to volunteer - please see the "volunteer" tab to the left.
📜 Important Information
- Race Type: This race is part of our free, low-key series for members.
- Procedure: Please refer to the "Low-Key Race Entry Procedure" on our website for more information.
For more details and to register, visit: MCRRC Seneca Slopes 9K Registration
Course map
Train with a club
Run clubs near Gaithersburg to train with before race day.
See all run clubs near Gaithersburg →
Suggested Races
Organize this race?
Claim it free to manage your listing — and get it featured for free, while spots last.