The driver of the Kia, a 25-year-old from Sidney, Iowa, was taken to a Bellevue hospital. Nebraska state troopers and the Mills County Sheriff’s Office assisted at the scene.

At 7:30 a.m. on Aug. 27, Hansen jumped in his pumpkin and launched from the Missouri River boat ramp in Bellevue, Neb. Eleven hours and 38 miles later, he docked in Nebraska City, Neb. Hansen’s ...