Froggy Hollow 5 & 9 presented by Altra
About this race
Set in scenic Little Bennett Regional Park, the Froggy Hollow 5 & 9 presented by Altra is a timed trail ultra event with 5-Hour, 5-Hour Relay, 9-Hour, 9-Hour Relay, and "More Than a 4-Miler" options. This trail race offers the perfect setting for new and veteran trail runners to push their limits and achieve their new personal best. All participants will complete the 4.4-mile loop through Little Bennett Regional Park in Clarksburg, MD. We’ll have a fully stocked aid station on the course with a variety of food and hydration options.
We hope you will join us for this trail ultra brought to you by Charm City Run Events and Altra!
Not permitted on the trail: littering, pacers, crew, dogs, bandits, strollers.
Montgomery County Parks MNCPPC has the ultimate say over our event. In the event of extreme weather, the County can/will pull our event permit causing us to cancel the in-person event. Please read our entire weather policy for more information and details. Please note: THE 2026 RACE DOES NOT HAVE A RAIN DATE.
Join fellow runners on March 28, 2026 for the Froggy Hollow 5 & 9 presented by Altra. It's a fantastic 7.1K, 7.2K featuring a flat and fast course in Clarksburg.
Pick your distance
Running
9-Hour Challenge
9-Hour Relay Challenge
5-Hour Challenge
5-Hour Relay Challenge
"More Than a 4-Miler"
9-Hour Challenge
9-Hour Relay Challenge
5-Hour Challenge
5-Hour Relay Challenge
"More Than a 4-Miler"
Weather Overview
These values represent the 7-year monthly averages for March in Clarksburg.
About Clarksburg
Froggy Hollow 5 & 9 presented by Altra takes place in Clarksburg, Maryland, United States. The local timezone is America/New_York.
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🏃 Plan Your Next Race in Clarksburg
Find upcoming events by distance:
- Clarksburg 5K Races Best Clarksburg routes for beginners and speed work.
- 10K Run Events in Clarksburg The most popular local distance in Maryland.
- Clarksburg Running Calendar 2026 See all upcoming race dates.
Race information has been sourced from the event's official website and other publicly available resources. For the most up-to-date details, please refer to the official website directly. If you notice any incorrect or missing information, don't hesitate to reach out to us by email.
