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Fifth Street Rock Monster
Open now- Date
- April 11, 2027
- Sport
- Trail running
- Location
- Mertztown, PA
- Distances
- 5K · 10K · Half marathon · Marathon · 100K
- Entry
- $29 – $210
- Registration opens
- July 1, 2026
- Registration closes
- April 11, 2027
Listing from runsignup. Always confirm details with the organiser.