New Hampshire · Half Marathon

Half Marathon Races in New Hampshire

Every upcoming Half Marathon in New Hampshire, all 3 of them, sorted by date. Dates, entry fees, finish-time stats from past results, and start-line maps.

3 upcoming Half Marathon races · 2 with finish-time stats

5K 5710K 5Ultra 1
Open map ↗

By the numbers

The Biggest and Longest-Running

The New Hampshire races that stand out on the numbers: the biggest field, and the longest unbroken run of editions.

Largest field943 finishersSeacoast Half Marathonin the Half Marathon

Half Marathon Races by City

Portsmouth 1Hampton 1Greenland 1

Soonest Half Marathon Races in New Hampshire

3 total
Sun, Oct 25, 2026Seacoast Half Marathon Portsmouth, NHHalf MarathonFrom $89Details Sun, Mar 7, 2027Hampton Half Marathon & 5K Hampton, NHHalf Marathon5KFrom $44Details Sun, May 16, 2027Margarita Half Marathon & 5K Greenland, NHHalf Marathon5KFrom $39Details

How we calculate these stats: RunSesh calculates these figures from the most recent published results of past editions, sourced from RunSignup. We show aggregates only: field size, winning and median times, and the cutoff. We never publish individual finisher tables. Last updated Jul 27, 2026.

Common Questions About Running a Half Marathon in New Hampshire

Which New Hampshire cities have the most Half Marathon races?

Portsmouth (1), Hampton (1), Greenland (1) lead the state for Half Marathon races. Those give you the most dates to choose from if your schedule is tight.

How much do New Hampshire Half Marathon races cost?

Entry fees for Half Marathon races here run from $39 to about $89, depending on the event and how early you register.

How early should I register for a Half Marathon in New Hampshire?

3 of the 3 Half Marathon races in New Hampshire already have a price increase scheduled, so entry gets more expensive the longer you leave it. Race pricing almost always steps up as the date approaches, and signing up early is usually the cheapest option.