Great Island Common, New Castle, NH
The New Castle 10K is a Running race in New Castle, New Hampshire consisting of a 10K.
A 10K road race that runs through New Castle and Portsmouth. The starting line is at Great Island Common in New Castle, NH. 100% of the race profits to benefit the Cocheco Valley Humane Society
Claim this race to update race dates, course descriptions, upload race pictures, and more.CLAIM RACE
We try to keep race listings up-to-date, but sometimes miss updates. Click below to submit updated race information and details.SUBMIT UPDATE