MCRRC Seneca Creek Greenway Trail Marathon & 50K

Sat March 7, 2020 Gaithersburg, MD 20878 US Directions
Race Website

Additional race information can be found at

Seneca Creek State Park (Nuthatch Pavilion)
11950 Clopper Road
Gaithersburg, MD US 20878

Welcome to the registration page for the MCRRC Seneca Creek Greenway Trail Marathon & 50K!

The Seneca Creek Greenway Trail Marathon and 50K is a low-key, low-priced and fun filled event along the beautiful Seneca Creek Greenway Trail and parallel trails. Marathon and 50K participants will have the option to choose their final distance when returning to the finish (either stop for the "marathon" or keep going for the 50K (whichever kind of day it feels like)!

Race Contact Info

If you have any questions about this race, click the button below.

MCRRC Member Discount

Once again, MCRRC members are eligible to receive a $10 discount to participate in the Seneca Creek Greenway Trail Marathon & 50K.  The discount will be applied automatically at checkout for all persons with a current MCRRC membership.  You will need to be signed in to RunSignUp to be recognized as a member.  Should you have any questions or problems, please contact for assistance.


Race Participant Survey

Please complete the following survey to help us better understand your race experience.

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