Froggy Hollow 5 & 9 presented by Altra

Race Overview

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!

Event Details

• Date: 2026-03-28
• Location: 23705 Frederick Road, Clarksburg, MD
• Race URL: Froggy Hollow Race
• Loop Length: 4.4 miles

Rules and Regulations

• Permitted: Trail running, participants, aid station usage.
• Not permitted: Littering, pacers, crew, dogs, bandits, strollers.
• Authority: Montgomery County Parks MNCPPC has the ultimate say over our event.
• Weather Policy: 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.