RunRace USA › Massachusetts › Happy Valley Half Marathon & 5K
Happy Valley Half Marathon & 5K
Northampton, Massachusetts · Sunday, October 18, 2026 · 5K, Half Marathon
Official race page & registration ↗- Date
- Sunday, October 18, 2026
- Location
- Northampton, Massachusetts
- Distances
- 5K, Half Marathon
Listing from the 2026 race calendar, refreshed nightly. Details can change: confirm date and entry on the official race page before travelling. Spot an error? Tell us here.
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See every race on the Massachusetts calendar, or use the Race Finder for maps and filters.