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running

MCRRC Riley's Rumble Half Marathon

Date
July 26, 2026
Distance
Non-Member Registration

From the Organizer

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.

Distances & Pricing

Non-Member Registration7:30 AMRegister →

Race Location

About This Sport

From Endurance Grid's Founder

Endurance Grid is here to help you understand the sport, decide if it's the right fit, and learn how to prepare. For course distances, logistics, and race-day specifics, always defer to the race organizer's event page.

The half marathon is the distance where you find out what you're actually made of. Long enough to demand real preparation. Short enough that it doesn't consume your life to train for it. Most people who run their first half describe it as the race that changed their relationship with what they're capable of. Once you cross this finish line, the bar moves. That's not a warning — that's the point.

Race day energy varies by event size, but the finish line feeling is the same regardless. Big races keep the noise going the whole way. Smaller races give you stretches where it's just you and the miles — and that solitude becomes its own kind of fuel.

The half marathon rewards people who show up for the boring training miles.

How long to train: 10–14 weeks. If you're already running consistently, 10 weeks of structured buildup is enough. If you're building from a casual base, give yourself 14.

Running

From 5K to marathon, running races are the most accessible entry point into endurance sport. There's a distance for every fitness level and a community at every start line.

Frequently Asked Questions (FAQs)

What is the MCRRC Riley's Rumble Half Marathon?
MCRRC Riley's Rumble Half Marathon is a running event held in Boyds, MD. Learn more about the different endurance sports here.
When and where is the MCRRC Riley's Rumble Half Marathon?
Sunday, July 26, 2026 in Boyds, MD at South Germantown Recreational Park – Maryland SoccerPlex, Boyds, MD. Check the official event page for exact start times and wave schedules.
How do I register for the MCRRC Riley's Rumble Half Marathon?
Registration is handled through their official registration page. Confirm pricing, distances available, and sign up there.

MCRRC Riley's Rumble Half Marathon

Jul 26, 2026

Register →