6 races in date order
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Merrimack River Trail Race
Out-and-back 10-mile trail race along the Merrimack River
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Boston 5K
Finishes on the Boston Marathon finish line
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TARC Don't Run Boston
Rocky, technical trail ultra through Blue Hills Reservation
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Boston Marathon
Oldest annual marathon, past Heartbreak Hill at mile 20
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James Joyce Ramble
Costumed actors recite Joyce's works along the course
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Your next race, seen from above.
Save any of these to your season in RunCalendar and hear the morning entries open. Free on iPhone, no account needed.
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Save any of these to your season in RunCalendar and hear the morning entries open. Free on iPhone, no account needed.
Every race here is published by its organiser; RunCalendar checks the date and the entry window against the organiser's own page and rebuilds this calendar every night. A confirmed date shows its day; a provisional one shows only its month. Last updated 22 October 2026.