RunRace USA › New Hampshire › Seacoast Cancer 5K Run/Walk
Seacoast Cancer 5K Run/Walk
Sunday, September 20, 2026 · Portsmouth, NH
The race in 60 seconds
It is one of 54 races on the New Hampshire calendar that September. At $30, entry sits above the $25 median for a New Hampshire 5K.
What race day usually feels like
Based on the last three years, race week in September typically sees lows near 55°F and highs around 70°F: mild at the start, warm by the finish. Weather normals computed from Portsmouth-area conditions for race week, not the nearest big city.
Common questions
When is Seacoast Cancer 5K Run/Walk?
Seacoast Cancer 5K Run/Walk is scheduled for Sunday, September 20, 2026.
Where is Seacoast Cancer 5K Run/Walk held?
Seacoast Cancer 5K Run/Walk is held in Portsmouth, New Hampshire. It is about 9 miles from Dover and 51 miles from Boston.
What distances does Seacoast Cancer 5K Run/Walk offer?
The listed distances are 5K, 1 Mile.
How much does Seacoast Cancer 5K Run/Walk cost?
Entry is listed from $30. Check the official race page for the current price, which usually rises closer to race day.
How do I register for Seacoast Cancer 5K Run/Walk?
Registration is handled on the official race page, linked at the top of this listing. Entry can close early if the race sells out.
More races nearby
- Sep 27, 202618th Annual Celebrate Pink 5K Run & WalkPortsmouth · 5K
- Oct 25, 2026Seacoast Half MarathonPortsmouth · Half Marathon
- May 22, 20272027 Fox Point Sunset Road RaceNewington · 5 Miles
- Oct 20, 2026USS Albacore: A HistoryPortsmouth
See every race on the New Hampshire calendar, New Hampshire 5Ks, or use the Race Finder for maps and filters.
Register for Seacoast Cancer 5K Run/Walk →on RunSignUp · entry from $30
Listing data refreshed nightly from the registration platform. Last template review July 2026. Spot an error? Tell us and we'll fix it fast.