Fifth Street Rock Monster

APR
12
2026
A trail running event at Forever Farm in Mertztown on April 12, 2026, featuring 5K, 10K, half and full marathons, and an ultra relay on private singletrack with aid stations, food and drink, finisher awards, and cash prizes for top relay teams.
Sun 12 Apr 2026
26 miles 13 miles 6 miles 3 miles

Always double-check with the organizer's website! This page may contain affiliate links.

Fifth Street Rock Monster : April 12, 2026

Fifth Street Rock Monster is a trail running event held at Forever Farm, located at 228 Five Points Road, Mertztown, PA 19539, on April 12, 2026. The event offers multiple race options on singletrack trails that cross private land accessible only during the race weekend.

Participants can choose from these distances:

  • Trail Marathon - six laps, about 2500 feet vertical gain
  • Trail Half Marathon - three laps, about 1250 feet vertical gain
  • 10k - roughly 1.5 laps, about 550 feet vertical gain
  • 5k - two laps of the prologue, about 270 feet vertical gain
  • Trail Ultra-Marathon Relay - team relay on the race course

Course notes: the terrain is rolling and technical singletrack. The marathon configuration passes a full aid station multiple times; all races are supported with fully stocked aid stations.

Event amenities and services include porta potties at the parking area and finish line, food and drink provided by Bright Path Brewing and PorchTea Kombucha, a commemorative finisher coaster for all finishers, and overall awards for the top three men and top three women in each race. Relay teams receive cash prizes for the top three teams. Junior runners aged 16 and under receive a 50% entry discount. Day-of registration is available for an additional fee and accepts Venmo, credit card, and cash.

The running events are part of a weekend of activities at Forever Farm; free campsites are available Saturday night. Visit the organization's website for the most recent information.

26 mi
Trail Marathon
13 mi
Trail Half Marathon
6 mi
10k
3 mi
Trail Ultra-Marathon Relay - Team Captains/ Relay Members