Newburyport, United States of America · Sunday 8 November 2026
Anchors away, New England! The 12th Annual Harborside Half Marathon & 5K returns to Newburyport, MA on November 8, 2026 for another race past iconic New England waterscapes. Join thousands of runners through the picturesque fall scenery on the half marathon or 5K courses. Soak in the crisp autumn air all the way to the finish line, where a post-race party featuring pizza, snacks, and complimentary craft beer (21 ) will be waiting for you. This event sold out six weeks early last year, so don’t miss your chance to join the fun in 2026. Register today!
Adjusted Time
1:40:47
Time difference: -4.2 minutes compared to a flat, road, temperate course.
Harborside Half Marathon & 5K is a half marathon held in Newburyport, United States of America, scheduled for Sunday 8 November 2026. The course is run on road surface with 0m of total elevation gain, reaching a maximum altitude of 0m above sea level. For registration and full race details, visit the official Harborside Half Marathon & 5K website.
This is a very flat course with only 0m of total elevation gain across the full distance. The course ranges from 0m to 0m above sea level — a 0m elevation range that makes it one of the flatter races available. Runners targeting a personal best will appreciate the minimal climbing.
Harborside Half Marathon & 5K is run on road surfaces, which provide the fastest and most predictable conditions for marathon running. Road courses allow for consistent pacing and are typically the best choice for runners targeting a personal best time.
Our difficulty rating for Harborside Half Marathon & 5K is calculated using a model that combines elevation gain, temperature impact, and surface type. Use the difficulty calculator above to enter your target finish time and see exactly how many minutes this course would add or subtract compared to a perfectly flat, cool, road-based half marathon. Faster runners and slower runners are affected differently by the same course conditions, so the difficulty is personalised to your pace.
Looking for an easier marathon or a tougher challenge? You can also compare Harborside Half Marathon & 5K against other half marathons to find the right race for your goals.
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