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Froggy Hollow 5 & 9 presented by Altra

Name: Froggy Hollow 5 & 9 presented by Altra
Start: 2026-03-28
End: 2026-03-28
Location: Clarksburg, Maryland

location_on

Clarksburg, Maryland, United States

calendar_today 28 Mar, 2026

directions_run Running

language Official Website

sell $40.00 – $75.00

About the Event

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.

Races Offered

9-Hour Challenge

Mar 28, 2026

straighten

Distance — 4.4 Miles

terrain

Type — Running

timer

06:00

sell

$75.00

9-Hour Relay Challenge

Mar 28, 2026

straighten

Distance — 4.4 Miles

terrain

Type — Running

timer

06:00

sell

$55.00

5-Hour Challenge

Mar 28, 2026

straighten

Distance — 4.4 Miles

terrain

Type — Running

timer

08:00

sell

$65.00

5-Hour Relay Challenge

Mar 28, 2026

straighten

Distance — 4.4 Miles

terrain

Type — Running

timer

08:00

sell

$50.00

"More Than a 4-Miler"

Mar 28, 2026

straighten

Distance — 4.5 Miles

terrain

Type — Running

timer

10:00

sell

$40.00

Weather Overview

These values represent the 3-year monthly averages for March in Clarksburg.

Temp (°C)

Feels Like (°C)

thermostat -0.2° / 9.9°

wb_sunny -4.8° / 5.7°

Wind (km/h)

Humidity (%)

air 12.1 /

water_drop 66.0%

Temp (°C)

Feels Like (°C)

Wind (km/h)

Humidity (%)

thermostat -0.2° / 9.9°

wb_sunny -4.8° / 5.7°

air 12.1 km/h

water_drop 66.0%

About Clarksburg

Clarksburg is a census-designated place and an unincorporated area in northern Montgomery County, Maryland, United States. It is located at the northern end of the Interstate 270 technology corridor, approximately four miles north of Germantown. As of the 2020 census, Clarksburg had a population of 29,051.