Charles River Marathon
Charles River Marathon is a limited-field Boston fundraiser race built for qualifying attempts, with ten flat paved laps around Herter Park.
Marathon Scout prioritizes official race websites, registration pages, timing providers, results pages, and race-linked live tracking. Last updated July 12, 2026.
Charles River Marathon quick facts
- USATF-certified BQ-eligible course with certificate MA23005JK.
- Limited 200-runner field with a rolling fundraising-based entry process.
- Ten-loop course keeps aid, spectators, and pacing feedback close.
About the Charles River Marathon
The RACE Cancer Foundation's Charles River Marathon is a small, fundraising-based Boston race with a reputation for fast qualifier attempts.
Charles River Marathon course description
The marathon is ten laps of a flat paved loop around Herter Park and the Charles River, keeping logistics compact and splits predictable.
Weather for the Charles River Marathon
Early May in Boston is usually cool enough for fast running, though river wind and rain can change pacing plans quickly.
Past Charles River Marathon dates and results
| Year | Date | Status | Results |
|---|---|---|---|
| 2026 | Sunday, May 3, 2026 | Completed | Open results |
| 2025 | Sunday, May 4, 2025 | Completed | Open results |
| 2024 | Sunday, September 8, 2024 | Completed | Open results |
Charles River Marathon FAQ
When is the Charles River Marathon?
We're waiting for the finalized date for the 2027 Charles River Marathon. The most recent running was on Sunday, May 3, 2026.
How do I register for the Charles River Marathon?
You can register for the Charles River Marathon at 6run7.com.
Can I use the Charles River Marathon for Boston qualifying?
Marathon Scout marks the Charles River Marathon as a Boston qualifier. Check the current Boston qualifying times and confirm current certification with the race before registering.
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