MCRRC Seneca Creek Greenway Trail Marathon & 50K

Race Overview

Welcome to the Seneca Creek Greenway Trail Marathon & 50K, where you will experience some of Montgomery County's finest single-track trails. This is a challenging, but beautiful run for all!

Event Details

• Date: 2026-03-07
• Location: Seneca Creek State Park (Nuthatch Pavilion), Gaithersburg, MD
• Courses: Marathon and 50K options available
• Flexibility: Participants can choose their final distance during the race

Course Information

! DETOUR ALERT ! Due to the bridge on the Mink Hollow Trail being under reconstruction, there will be a detour on both the outbound and inbound course routes. Please refer to the map under the "Course & Logistics" tab for a map showing the detour. The trail, including the detour, will be marked on race day.

Participant Perks

• Custom Bib: All participants will receive a custom race bib
• Tech Shirt: Short-sleeved tech shirt for all
• Finisher's Medal: A medal awarded to all finishers
• Cost: A low-priced, fun-filled event

Further Information

For more details and to register, visit the official race page: MCRRC Seneca Creek Greenway Trail Marathon & 50K.