Long's Iowa teams compiled a 35–13–1 record. He graduated with 10,461 passing yards and 74 touchdowns on 782 completions. He held every passing record at the University of Iowa except one (passes attempted in a game) when he graduated. Long holds the best completion percentage of any college quarterback all-time who has attempted more than 1,000 career passes. He was also the first Big Ten player and just the second player in college football history to throw for more than 10,000 yards in a career. The first was Doug Flutie. Long was inducted into the College Football Hall of Fame in 1999 and the Iowa Sports Hall of Fame in 2001.