Half Marathon-by-the-Sea
- Date
- September 13, 2026
- Distance
- Half Marathon
From the Organizer
Named for the host community of Manchester-by-the-Sea, the race provides scenic views. Race through the historic and charming downtown and past the pristine fresh water lakes in nearby Hamilton, MA.
Events
Race Location
Your Next Start Line
What Are You
Waiting For?
Every finish line starts with a single decision. Claim your spot at Half Marathon-by-the-Sea, put it on the calendar, and turn “someday” into a start date.
97
Days to train
- Race
- Half Marathon-by-the-Sea
- Date
- September 13, 2026
Coming Up
More Running races in Massachusetts
From Endurance Grid
About This Sport
Endurance Grid is here to help you understand the sport, decide if it's the right fit, and learn how to prepare. For course distances, logistics, and race-day specifics, always defer to the race organizer's event page.
The half marathon is the distance where you find out what you're actually made of. Long enough to demand real preparation. Short enough that it doesn't consume your life to train for it. Most people who run their first half describe it as the race that changed their relationship with what they're capable of. Once you cross this finish line, the bar moves. That's not a warning — that's the point.
Race day energy varies by event size, but the finish line feeling is the same regardless. Big races keep the noise going the whole way. Smaller races give you stretches where it's just you and the miles — and that solitude becomes its own kind of fuel.
The half marathon rewards people who show up for the boring training miles.
How long to train: 10–14 weeks. If you're already running consistently, 10 weeks of structured buildup is enough. If you're building from a casual base, give yourself 14.
Running
From 5K to marathon, running races are the most accessible entry point into endurance sport. There's a distance for every fitness level and a community at every start line.
Frequently Asked Questions (FAQs)
- What is the Half Marathon-by-the-Sea?
- Half Marathon-by-the-Sea is a running race held in Manchester-by-the-Sea, Massachusetts on September 13, 2026. It is one of the many endurance events listed on Endurance Grid, a multi-sport endurance event calendar covering running races, triathlons, HYROX, and more endurance sports across the United States. Find more running races near you or explore our sports guides to learn what race day actually feels like.
- When and where is the Half Marathon-by-the-Sea?
- Sunday, September 13, 2026 in Manchester-by-the-Sea, Massachusetts at Manchester Essex High School, Manchester-by-the-Sea, MA. Check the event page for exact start times and wave schedules.
- How do I register for the Half Marathon-by-the-Sea?
- Registration is handled through the event's registration page. Confirm pricing and distances there, and sign up.
Half Marathon-by-the-Sea
Sep 13, 2026