New Hampshire · Half Marathon
Half Marathons in New Hampshire
New Hampshire currently has 10 upcoming half marathons with a confirmed date listed in RaceRove. Hampton, Greenland, Concord and Keene have the largest concentration of events.
May (3), March (2) and October (2) are the busiest months on the calendar right now. Another 8 annual half marathons are waiting for next year's date to be announced.
- Upcoming, date confirmed
- 10
- Active listings
- 18
- Cities with races
- 14
More ways to browse New Hampshire
Upcoming half marathons in New Hampshire
All 10 with a confirmed date, soonest first.
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CMC Manchester City Marathon, Half Marathon, Relay & 5KManchester, NHMarathonHalf MarathonMarathon Relay5K ~2,500 runners
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Gate City Marathon, Half Marathon & RelayNashua, NHMarathonHalf MarathonMarathon Relay ~300 runners
Dates come from each race's own listing. Always confirm on the organiser's site before you book travel.
Largest half marathon events in New Hampshire
By estimated field size across all distances at the event.
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CHaD HERO Half MarathonHanover, NH Usually held in October · next date not announcedHalf Marathon5K ~3,000 runners
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CMC Manchester City Marathon, Half Marathon, Relay & 5KManchester, NHMarathonHalf MarathonMarathon Relay5K ~2,500 runners
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Seacoast Half MarathonPortsmouth, NH Usually held in October · next date not announcedHalf Marathon ~1,500 runners
When half marathons happen in New Hampshire
- March
- 2 upcoming races
- April
- 1 upcoming race
- May
- 3 upcoming races
- September
- 1 upcoming race
- October
- 2 upcoming races
- November
- 1 upcoming race
New Hampshire cities with the most half marathons
- Hampton
- 3 upcoming races
- Greenland
- 2 upcoming races
- Concord
- 1 upcoming race
- Keene
- 1 upcoming race
- Manchester
- 1 upcoming race
- Nashua
- 1 upcoming race
Annual events awaiting their next date
These half marathons are held every year, but the next date isn't in the listing yet. The month shown is when each is usually held.
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CHaD HERO Half MarathonHanover, NH Usually held in October · next date not announcedHalf Marathon5K ~3,000 runners
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Seacoast Half MarathonPortsmouth, NH Usually held in October · next date not announcedHalf Marathon ~1,500 runners
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New Hampshire MarathonBristol, NH Usually held in October · next date not announcedMarathonHalf ~600 runners
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ASP's Franconia Notch Half MarathonFranconia, NH Usually held in October · next date not announcedHalf Marathon
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Bear Brook Trail RacesAllenstown, NH Usually held in September · next date not announcedUltramarathonHalf Marathon
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Kismet Cliff RunNorth Conway, NH Usually held in September · next date not announced1/2 Marathon5 Miler
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Swanzey Covered Bridges Half-Marathon, Elijah's RaceSwanzey, NH Usually held in September · next date not announcedSwanzey Covered Bridges Half-Marathon
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Vulcan's Fury Trail RaceNottingham, NH Usually held in October · next date not announcedHalf Marathon5 Miler
Half Marathons in nearby states
Guides from the RaceRove blog
- 7 min read How to Find a 5K, 10K, Half Marathon or Marathon Near You A practical way to find running races near you: pick a distance, decide how far you'll travel, read the listing properly and confirm the details before you register.
- 8 min read How to Choose the Best Half Marathon for a PR, Racecation or 50-State Challenge The best half marathon depends on what you want from it. How to choose a course for a personal record, a race worth travelling for, or an efficient stop on a 50-state challenge.
- 4 min read Diplo's Run Club 2026-27: Every City, Date and Course Diplo's Run Club is a 5K with a post-race concert. Every US date for 2026-27 (San Francisco, New York, Los Angeles, San Diego and Phoenix), start times and courses.
- Blog All guides Planning advice for finding, choosing and travelling to races.
Half Marathons in New Hampshire: common questions
- How many half marathons are there in New Hampshire?
- RaceRove currently lists 10 upcoming half marathons in New Hampshire with a confirmed date, plus 8 annual events whose next date hasn't been announced yet.
- How long is a half marathon?
- A half marathon is 13.1 miles (21.1 kilometres).
- Which New Hampshire cities have the most half marathons?
- By upcoming events listed in RaceRove: Hampton (3), Greenland (2), Concord (1), Keene (1) and Manchester (1).
- When is half marathon season in New Hampshire?
- Of the upcoming half marathons listed, the busiest months are May (3), March (2) and October (2).
- What is the biggest half marathon in New Hampshire?
- By estimated field size, the largest event with a half marathon listed in New Hampshire is the CHaD HERO Half Marathon, with about 3,000 runners across all of its distances.
Search every half marathon in New Hampshire
Filter by month, course profile and field size, save races to a shortlist and compare them side by side in the interactive search.