An estimated 2,500 runners were treated Monday at medical tents and stations along the 26.2-mile Boston Marathon course, for dehydration, heat exhaustion, and other ailments exacerbated by record-breaking heat and unrelenting sun. The number of runners requiring medical attention was 800 to 1,200 more people than in a typical year, said Chris Troyanos, medical director for the Boston Athletic Association. Area hospitals reported they saw more patients than on a typical marathon Monday, but that most runners were recovering well and being discharged.
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