A Maine man died Sunday after a mountain biking trip on a New Hampshire trail, according to New Hampshire's Fish and Game Department.
Authorities said 58-year-old Robert Summa, of North Berwick, had been out riding with friends for several hours on the Sticks and Stones trail in the area of Pudding Pond.
According to WCSH-TV, a friend found Summa suffering from a medical emergency and called 911 for help. He then performed CPR until medical personnel arrived.
First responders tried to revive Summa, but he was eventually pronounced dead at the scene.