Despite the foul weather, almost a thousand runners turned out for the Hamptons Marathon, Half-Marathon, and 5K at the Southampton Intermediate School Saturday. The races were won, respectively, by Jake Gallagher, 36, of Larchmont, N.Y., in 2 hours, 43 minutes, and 45 seconds, Jordan Daniel, 28, of Westhampton Beach in 1:08:43, and Danny Cohen, 24, of Solon, Ohio, in 18:01.