Marathons in New Hampshire 2027

4 marathons and 4 half marathons coming up in New Hampshire, by date. Rated races show how many minutes the course adds or saves against an average road race, from its climbing, surface and typical race-day weather.

Flattest marathons in New Hampshire

Rated road races, least total climbing first.

  1. 1.Cheap MarathonDerry, 150m climbing, -5 min vs average, Apr 2027
  2. 2.Clarence DeMar MarathonKeene, 197m climbing, 0 min vs average, Sept 2027
  3. 3.New Hampshire MarathonBristol, 351m climbing, +6 min vs average, Oct 2027

Marathons in New Hampshire (4)

Apr 2027

Cheap Marathon

-5 min

Derry, New Hampshire

3 Apr 2027Road150m gainFull

May 2027

Sept 2027

Clarence DeMar Marathon

0 min

Keene, New Hampshire

26 Sept 2027Road197m gainFull

Oct 2027

New Hampshire Marathon

+6 min

Bristol, New Hampshire

2 Oct 2027Road351m gainFull

Half marathons in New Hampshire (4)

Mar 2027

May 2027

Oct 2027

New Hampshire Half Marathon

-1 min

Bristol, New Hampshire

2 Oct 2027Road97m gainHalf

Seacoast Half Marathon

-1 min

Portsmouth, New Hampshire

24 Oct 2027Road116m gainHalf

Marathons in New Hampshire at a glance

  • Busiest month: Oct 2027, with 3 races.
  • Hilliest: New Hampshire Marathon, with 351m of climbing (road).
  • Coolest race day on average: Hampton Half Marathon & 5K (Mar 2027, a typical high of 5°C). Warmest: Margarita Half Marathon & 5K (May 2027, 21°C).

Marathons in other states

All marathons in the USA →