
Boyds, United States of America · Sunday 26 July 2026
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.
Adjusted Time
1:40:47
Time difference: -4.2 minutes compared to a flat, road, temperate course.
MCRRC Riley's Rumble Half Marathon is a half marathon held in Boyds, United States of America, scheduled for Sunday 26 July 2026. The course is run on road surface with 0m of total elevation gain, reaching a maximum altitude of 0m above sea level. For registration and full race details, visit the official MCRRC Riley's Rumble Half Marathon website.
This is a very flat course with only 0m of total elevation gain across the full distance. The course ranges from 0m to 0m above sea level — a 0m elevation range that makes it one of the flatter races available. Runners targeting a personal best will appreciate the minimal climbing.
MCRRC Riley's Rumble Half Marathon is run on road surfaces, which provide the fastest and most predictable conditions for marathon running. Road courses allow for consistent pacing and are typically the best choice for runners targeting a personal best time.
Our difficulty rating for MCRRC Riley's Rumble Half Marathon is calculated using a model that combines elevation gain, temperature impact, and surface type. Use the difficulty calculator above to enter your target finish time and see exactly how many minutes this course would add or subtract compared to a perfectly flat, cool, road-based half marathon. Faster runners and slower runners are affected differently by the same course conditions, so the difficulty is personalised to your pace.
Looking for an easier marathon or a tougher challenge? You can also compare MCRRC Riley's Rumble Half Marathon against other half marathons to find the right race for your goals.
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