Boston River Run
Updated
Sunday, November 8, 2026, first start 9:00 AM, in Boston (Artesani Park, 1255 Soldiers Field Road). Distances: 5K. Entry from $45; the 5K goes from $45 to $50 after October 31.
- Date
- Sunday, November 8, 2026
- Start time
- 9:00 AM (earliest wave)
- Location
- Artesani Park, 1255 Soldiers Field Road, Boston, MA 02135
- Area
- Boston & Cambridge, Boston
- Distances
- 5K
- Course
- Road or path
- Price
- $45 plus the platform's processing fee
- Next price increase
- Saturday, October 31, 2026: 5K $45 → $50
- Registration
- Open. Opened May 26, online signup closes Saturday, November 7, 2026
How to register
Registration is on RunSignup. Pick your distance, add any extras, and you'll get a confirmation email with your bib details. Sign up by October 31 to pay $45 instead of $50.
Register on RunSignup →Race website
Course and race notes
Please join us at the 15th Annual Boston River Run 5K fundraiser! Come and race to support the Andrew Graham Semper Fi Fund, with 100% of proceeds raised going directly to help students in memory of Andrew Graham Narcus. Location: Artesani Park, 1255 Soldiers Field Road, Brighton. Race Features.
From the race's own listing. Check the race website for the course map and parking.
Source: RunSignup public race API, refreshed 2026-10-17. Details can change; the registration page is the final word.