Maryland · Half Marathon · 8K
MCRRC Riley's Rumble Half Marathon
MCRRC Riley's Rumble Half Marathon is a half marathon and 8K event held in Boyds, Maryland. Its next confirmed date is Monday, July 26, 2027. About 300 runners take part across all distances.
- Race day
- July 26, 2027
- Location
- Boyds, MD
- Field size
- ~300 runners
Race details
- Date
- Monday, July 26, 2027
- Location
- Boyds, Maryland
- Distances
- Half Marathon, 8K
- Field size
- About 300 runners
- Course
- Challenging rolling hills through rural upper Montgomery County countryside
- Registration
- runsignup.com
- Official website
- mcrrc.org
Registration, course & weather
- Start time
- 7:30 AM EDT
- Course profile
- Loop course; Road surface
About the MCRRC Riley's Rumble Half Marathon
A notoriously challenging hilly mid-summer half marathon through the rural countryside of upper Montgomery County, run by the Montgomery County Road Runners Club.
Rankings and notes
- Rankings and awards
- Infamous hot, hilly summer half marathon held since 1983; popular fall-marathon warm-up that fills early
- Notes
- [next_date estimated]
More half marathons in Maryland
Coming up next, by confirmed date.
-
Schaeffer Half Marathon, 10K, 5K Trail RunGermantown, MDHalf Marathon3.2 Miles6.7 Miles13.5 Miles ~2 runners
-
Freedom is Never Free 5k, 10k, & HalfPotomac, MD10K5KHalf MarathonVirtual with Medal +2 more ~629 runners
-
Budds Creek Turkey Trot 5k, 10k, & HalfMechanicsville, MD10K5KHalf MarathonVirtual with Medal +2 more
-
NCR Marathon & Half Marathon (North Central Rail Trail)Sparks Glencoe, MDMarathonHalf Marathon ~2,000 runners
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Guides from the RaceRove blog
- 8 min read How to Choose the Best Half Marathon for a PR, Racecation or 50-State Challenge The best half marathon depends on what you want from it. How to choose a course for a personal record, a race worth travelling for, or an efficient stop on a 50-state challenge.
- 7 min read How to Find a 5K, 10K, Half Marathon or Marathon Near You A practical way to find running races near you: pick a distance, decide how far you'll travel, read the listing properly and confirm the details before you register.
- 9 min read How to Run a Race in All 50 States How to plan a 50-state running challenge: set your own rules, group states into trips, build a calendar around the seasons, budget for it and keep track of every finish.
- Blog All guides Planning advice for finding, choosing and travelling to races.
MCRRC Riley's Rumble Half Marathon: common questions
- When is the MCRRC Riley's Rumble Half Marathon?
- The next confirmed date is Monday, July 26, 2027.
- Where is the MCRRC Riley's Rumble Half Marathon held?
- In Boyds, Maryland.
- What distances does the MCRRC Riley's Rumble Half Marathon offer?
- Half Marathon and 8K.
- How many people run the MCRRC Riley's Rumble Half Marathon?
- About 300 runners across all of its distances. That figure is an estimate of the field size, not an entry cap.
- How do I register for the MCRRC Riley's Rumble Half Marathon?
- Registration is handled by the organiser at runsignup.com. Entry fees, caps and deadlines are set there.
- What time does the MCRRC Riley's Rumble Half Marathon start?
- 7:30 AM EDT.
- What is the course like at the MCRRC Riley's Rumble Half Marathon?
- Loop course; Road surface.
Plan this race in RaceRove
Save it to your plan, compare it with other races, check typical race-day weather and track your 50-state progress in the interactive app.