In Gramps' Shoes (2014)

After 20 years of praying for his daughter to let him back into her life, a 65-year-old Ty gets his wish when the prodigal requests his help in dealing with a financial bind and her rebellious teenage son. Ty's first encounter with his grandson, whom the grandfather has never met, leads to a challenge for a two mile race that alters the course of life of the young man as well as the grandfather.