ARE YOU READY TO RUMBLE?
Welcome to the registration page for the MCRRC Riley’s Rumble Half Marathon!
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 race series for members. Please refer to the "Low-Key Race Entry Procedure" on our website for more information.
Jul 26, 2026
Distance — 13.1 Miles
Type — Running
07:30
$35.00
These values represent the 3-year monthly averages for July in Boyds.
Boyds is an unincorporated community in exurban Montgomery County, Maryland, United States, located approximately 27 miles (43 km) north of Washington, D.C. Its ZIP Code is 20841.
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