MCRRC Riley's Rumble Half Marathon
About this race
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.
Pick your distance
Running
Non-Member Registration
Typical race-day weather
Based on 8 years of historical conditions on this event's race dates in Boyds.
Course
Route map and elevation profile
No course map published yet.
The organizer hasn't released a route for this event, and we don't publish guesses. If you're the organizer, send us a GPX file and we'll draw the profile.
Reviews
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Other races near Boyds
Different organizers, within 40 miles, in the next three months
MCRRC Black Hill 10K
Montgomery County Interfaith 5K
Schaeffer Half Marathon, 10K, 5K Trail Run
Mustang Milestones 5K
🏃 Plan Your Next Race in Boyds
Find upcoming events by distance:
- Boyds 5K Races 2 races
- Boyds Running Calendar 2026 4 races
Where this page comes from. Race details were last updated on . We re-check listings regularly and again in the week before race day.
- Entries, prices, waves and inclusions — the event's official registration page
- Temperature and humidity — Copernicus ERA5 reanalysis via Open-Meteo (CC BY 4.0)
- Elevation and terrain relief — Copernicus DEM GLO-90, ESA (CC BY 4.0)
- Comparisons and counts — Race Discovery calendar, 4 Boyds events
Spotted something wrong? Tell us and we'll fix it.