5K races in New Hampshire, United States — 2026 running calendar

Trot in the Trees 5k Trail Race and Fun Run

Madbury, New Hampshire, United States

Oct 4, 2026 (Sun)

$30.00 - $35.00

Running

1.6K 5K

2nd Annual New England Ostomy 5k

Rye Beach, New Hampshire, United States

Oct 4, 2026 (Sun)

$20.00 - $30.00

Running

5K

Keene Family YMCA Fall Foliage Trail Races

Keene, New Hampshire, United States

Oct 4, 2026 (Sun)

$35.00

Running

5K 10K

Warner Fall Foliage Festival 5K

Warner, New Hampshire, United States

Oct 10, 2026 (Sat)

$25.00

Running

5K

Boys & Girls Club of Souhegan Valley 5K

Milford, New Hampshire, United States

Oct 10, 2026 (Sat)

$10.00 - $35.00

Running

5K 1.6K

Great Island 5K

New Castle, New Hampshire, United States

Oct 11, 2026 (Sun)

$40.00

Running, Walking

5K

RiverFire 5K Run/Walk

Berlin, New Hampshire, United States

Oct 17, 2026 (Sat)

$15.00 - $20.00

Running

5K

Howl-O-Ween 5K Run/Walk to benefit the Animal Rescue League of NH

Manchester, New Hampshire, United States

Oct 17, 2026 (Sat)

$5.00 - $50.00

Running

5K +2

Second Annual Run to Remember Brandi

Nashua, New Hampshire, United States

Oct 23, 2026 (Fri) – Oct 26, 2026

$35.00

Running, Walking

5K

FHO's Fall Fun 5K

Concord, New Hampshire, United States

Oct 24, 2026 (Sat)

$35.00

Running

5K

Live Free Animal Rescue Franken Paws 5K / Walk Fundraiser

Londonderry, New Hampshire, United States

Oct 31, 2026 (Sat)

$45.00

Running

5K

Donut Dash - NH Sneaker Brigade

Claremont, New Hampshire, United States

Oct 31, 2026 (Sat) – Nov 1, 2026

$1.00 - $20.00

Running

5K