MCRRC Riley's Rumble Half Marathon
Race Date
Jul 26, 2026
Location
Boyds, MD
The Experience
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.
Logistics
Race Day
Sunday, July 26, 2026
Start Time
7:30 AM
Start Location
South Germantown Recreational Park – Maryland SoccerPlex, Boyds, MD, 20841
Course Info
USATF CertifiedCourse Type
Loop Course
Terrain
road
Difficulty
Ultra-Flat
Elevation Gain
0'
Net Drop/km
-0.09 m
Separation
0.1%
USATF Certified Course
MD26004NP · Riley's Rumble Half Marathon
Relatively flat with minimal net elevation change. Loop course — start and finish are close together.
Course Map
Quality Score
Runner Favorite8125 years running
~338 finishers a year
shrinking
50% returning runners
USATF certified · 2 timing sources · 8 photos
runners from 11 states
winner 1:17:24
typical high 91°F
Race Day Weather
5-year historical avgStart (Low)
70°
Afternoon (High)
91°
Hot conditions — adjust pace expectations, prioritize hydration
0.1"
Precipitation
9 mph
Wind
69%
Humidity
Historical Finish Times
How 11,108 finishers actually crossed the line across 25 years.
Most recent
2025
Total finishers
11,108
Median time
2:22:01
Latest turnout
316
States
38
Turnout by year
2017–2025
Hover the histogram to inspect specific finish times.
Race Photos
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