Original sentence: The current racetrack is 2.238 miles in length (3.602 kilometers), has eleven turns, including the famous "Corkscrew" at Turns 8 and 8A, and a 300 foot elevation change
Edited sentence: The current racetrack is 2.238 miles in length (3.602 kilometers), has eleven turns, including the famous (and gut-wrenching) "Corkscrew" at Turns 8 and 8A, and a 300 foot elevation change