# MCRRC Seneca Slopes 9K

- **When:** Sat, Dec 5, 2026 · 6:00 PM CST
- **Where:** Seneca Creek State Park, Gaithersburg, MD, 20878
- **Event page:** https://runthis.run/event/rs-121415-mcrrc-seneca-slopes-9k

## Registration

Register on the event's own site: https://runsignup.com/Race/MD/Gaithersburg/MCRRCSenecaSlopes9K?aflt_token=58wBqomPr6bPwa1YDhuKo0IQvrNCjzTq

## Description

Welcome to the NON-MEMBER registration page for the MCRRC Seneca Slopes 9K!

This page may also be used to sign up to volunteer - please see the "volunteer" tab to the left.

This race is part of our free, low-key series for members.  Please refer to the "Low-Key Race Entry Procedure" on our website for more information.

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Source: [https://runthis.run/event/rs-121415-mcrrc-seneca-slopes-9k](https://runthis.run/event/rs-121415-mcrrc-seneca-slopes-9k) — data from Run This (runthis.run).