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Black Diamond Express Half Marathon & 5K
Open now- Date
- Aug 23, 2026 – August 30, 2026
- Sport
- Road running
- Location
- Mendon, NY
- Distances
- 5K · Half marathon
- Entry
- $30 – $85
- Registration opens
- January 4, 2026
- Registration closes
- August 23, 2026
Listing from runsignup. Always confirm details with the organiser.