Froggy Hollow 5 & 9

Course

A timed trail event on a 4.4-mile loop through Little Bennett Regional Park, Clarksburg. Runners cover as many loops as they can within a 9-hour or 5-hour window, solo or as a relay, with a shorter "More Than a 4-Miler" option. One fully stocked aid station on the loop, and a chili bar at the finish.

Key dates

• !
  Registration
  Open now
• ★
  Race day
  Sat 5 Dec 2026

About

Froggy Hollow 5 & 9, presented by Altra, is a trail race in Clarksburg, Maryland, offering 5-mile and 9-mile distances on wooded singletrack. Charm City Run organizes the event each winter, drawing local trail runners for a low-key winter outing.

• 

  Seneca Slopes 9K

  Sun 6 Dec · Gaithersburg, MD · 9K

  Hilly trail loops in Seneca Creek State Park

  Save
• 

  Celtic Solstice Five-Miler

  Sat 12 Dec · Baltimore, MD · 5 Mile
  Save
• 

  Anniversary Run 15K

  Sun 13 Dec · Annapolis, MD · 15K
  Save
• 

  Eternal Winter 6-Hour Run

  January 2027 · Annapolis, MD
  Save

A confirmed date shows its day; a provisional one shows only its month, because we won't claim a day we don't have. This page is rebuilt every night from the RunCalendar catalogue.