Half Marathons in New Hampshire
New Hampshire has 5 upcoming half marathons scheduled for 2026: 2026 Rockfest Half Marathon and 5K in Hampton on October 10, ASP's Franconia Notch Half Marathon in Franconia on October 24, Seacoast Half Marathon in Portsmouth on October 25, Hampton Half Marathon & 5K in Hampton on March 7, and Margarita Half Marathon & 5K in Greenland on May 16.
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Running
2026 Rockfest Half Marathon and 5K
Hampton, NH
Running
2026 Rockfest Half Marathon and 5K
October 10, 2026
Hampton, NH
Half Marathons in Nearby States
Frequently asked questions
How long is a half marathon?▾
A half marathon is 13.1 miles (21.1 kilometers). It is one of the most popular race distances in the US, attracting over 2 million finishers annually. Browse half marathons on RACE to find one near you.
How should I train for my first half marathon?▾
Most beginner training plans are 10-12 weeks long and gradually build your weekly mileage. A typical plan includes 3-4 runs per week with one long run that peaks around 10-11 miles before race day.
What is a good half marathon time?▾
The average US half marathon finish time is about 2 hours 10 minutes. Beginners often aim for under 2:30, while competitive runners target sub-1:45. Focus on finishing strong rather than a specific pace for your first race.
What are the biggest half marathons in the US?▾
The largest include the United Airlines NYC Half, RBC Brooklyn Half, Disney Princess Half Marathon, and the Rock 'n' Roll series events in Las Vegas, Nashville, and San Diego. You can find all of these on RACE.