
Froggy Hollow 5 & 9 presented by Altra is a running race on December 5, 2026 in Clarksburg, MD, with entry fees from $40 to $75.
From the Organizer
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.
Events
Weather
It's too far out for a forecast, so here's what weather on this date is normally like in the area. A race day forecast will replace this as race week approaches.
Typical High
46°
Typical Low
32°
Chance of Rain
31%
Based on US Climate Normals data from Damascus 3 Ssw, 3 mi from the venue.
Host City
City Elevation
662 ft
Nearest Airport
IAD
Washington Dulles International Airport · 22 mi
Time Zone
Eastern Time
From Endurance Grid
Line up lodging and travel early to lock in your race weekend.
Race Location
Your Next Start Line
Every finish line starts with a single decision. Claim your spot at Froggy Hollow 5 & 9 presented by Altra, put it on the calendar, and turn “someday” into a start date.
140
Days to train
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From Endurance Grid
Endurance Grid is here to help you understand the sport, decide if it’s the right fit, and learn how to prepare. For course distances, logistics, and race-day specifics, always defer to the race organizer’s event page.
With running, there's a distance for every fitness level, a community at every start line, and nothing beats the feeling of crossing a finish line you trained for.
Running is an endurance sport that rewards consistency, and showing up every week compounds in ways that will surprise you.
From 5K to marathon, running races are an accessible entry point into endurance sport. There's a distance for every fitness level and a community at every start line.
Coming Up
MCRRC Riley's Rumble Half Marathon
3 miles away
Blue Crab Bolt Trail Run - Little Bennett
Less than a mile away
Montgomery County Interfaith 5K
7 miles away
MCRRC Country Road Run
7 miles away
Plan your trip
Coming from out of town? There's more to Clarksburg than race day. We'll help you line up nearby lodging, flights, a rental car, and things to do so you can make the most of your racecation.
Plan your trip to ClarksburgFrequently Asked Questions (FAQs)
Froggy Hollow 5 & 9 presented by Altra
Dec 5, 2026