[1] In the 1976–77 season, under the leadership of head coach Dick Armstrong, Ingalls helped the Snohomish High Panthers win the school's first state championship.

In 1989, Ingalls was hired as running backs coach by the San Diego State Aztecs, and offensive coordinator in 1993.

Ingalls coached three-time All-American running back and Marshall Faulk, a future hall of famer.

In 2000, he returned to his alma mater as the offensive coordinator alongside head coach Tom Cable for four seasons.

Additional backs that have played under Ingalls include Chris Ivory, Mark Ingram II and Darren Sproles.

[8] Ingalls was hired by second year Florida Gators head coach Jim McElwain as an offensive assistant in 2016.

After the Utes appeared in the 2022 Rose Bowl against the Ohio State, Ingalls was hired as offensive analyst for the Michigan Wolverines in March 2022.