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

Seacoast Cancer 5K Run/Walk

Portsmouth, New Hampshire, United States

Sep 20, 2026 (Sun)

Running, Walking

5K 1.6K

Southern New Hampshire Health 5k Run/Walk

Nashua, New Hampshire, United States

Sep 26, 2026 (Sat)

$30.00

Running

5K

Be A Hero 5k Run/Walk

Moultonborough, New Hampshire, United States

Sep 26, 2026 (Sat)

$25.00

Running

5.1K

Through the Decades 5k

Newport, New Hampshire, United States

Sep 26, 2026 (Sat)

$25.00

Running

5K

BACtober Fest 5K

Bow, New Hampshire, United States

Sep 26, 2026 (Sat)

$10.00 - $40.00

Running

5K Kids Gosling Gallop

Connor's Climb Foundation 5k and Family Walk 2026

Exeter, New Hampshire, United States

Sep 27, 2026 (Sun)

$35.00 - $40.00

Running

5.1K 5K

18th Annual Celebrate Pink 5K Run & Walk

Portsmouth, New Hampshire, United States

Sep 27, 2026 (Sun)

$30.00 - $250.00

Running

5K +2

Great Bay 5K | Race for a Healthy Estuary

Stratham, New Hampshire, United States

Sep 30, 2026 (Wed) – Oct 24, 2026

$30.00 - $35.00

Running

Ultra 5K

Friends of the poor 5k

New Ipswich, New Hampshire, United States

Oct 3, 2026 (Sat)

Free - $25.00

Running, Walking

5K

Gourdy's Pumpkin Run: Manchester

Manchester, New Hampshire, United States

Oct 3, 2026 (Sat)

$49.00

Running

5K

The Purple Hope 5k

Nottingham, New Hampshire, United States

Oct 4, 2026 (Sun)

$30.00

Running

5K

2nd Annual New England Ostomy 5k

Rye Beach, New Hampshire, United States

Oct 4, 2026 (Sun)

$20.00 - $30.00

Running

5K