One thousand seven hundred and thirty-six runners crossed the finish line behind the Springs School Saturday — 336 marathoners, 1,279 half-marathoners, and 121 contenders in the 5K.
A 25-year-old California mathematician by way of Washington, D.C., Shaun Maguire, won the marathon in 2 hours, 44 minutes, and 46 seconds. Chris Koegel, the defending champion, who experienced Achilles problems about 10 miles into the 26.2-mile race, was the runner-up, in 2:52:19.
The Montauk Rugby Club, playing before a large crowd at East Hampton’s Herrick Park on Saturday afternoon, defeated the Princeton Athletic Club 42-27 to improve its Met Union record to 2-0.
The Sharks got off to a quick start and led 22-10 at the half, but let up a bit in the second half before finishing strong.