Johnson attended Hamilton High School in Hamilton, Ohio. He was rated as a three-star recruit and the 36th overall running back in the class of 2022, receiving offers from schools such as California, Cincinnati, Michigan, Michigan State, Pitt, Kentucky, Minnesota, Iowa, West Virginia, Ball State, Kent State, Liberty, Marshall, Miami University, Toledo, Western Michigan, and Eastern Kentucky.[1] Initially, Johnson committed to play college football for the California Golden Bears.[2] However, Johnson decided to flip his commitment to play for the Iowa Hawkeyes.[1]
College career
In his first two seasons in 2022 and 2023, Johnson rushed 268 times for 1,242 yards and nine touchdowns and hauled in seven receptions for 52 yards.[3][4] In the 2024 season opener, he rushed for 119 yards and two touchdowns on 11 carries despite being suspended for the first half of the game, helping the Hawkeyes to a win over Illinois State.[5]
Through week 14 of the 2024 NCAA Division I FBS football season, Johnson was fourth in the FBS in rushing yards (1,537) and scoring (23 touchdowns, 138 points), and fifth in rushing touchdowns (21).[6][7] After the conclusion of the regular season, Johnson was named first-team all-Big Ten and Big Ten Running Back of the Year, and a consensus first-team All-American. He was also a finalist for the Doak Walker Award.[8] Johnson established single-season records at Iowa for rushing touchdowns and scoring.