How did torrance show louie he was forgiven in unbroken?

The success of Louie as a runner, transforms him into a better person, which motivates him to give his all to become the best. What in previous years was considered the terror of the city by the inhabitants of Torrance, now proudly takes the name of the city during their competitions. The people of the town forgive and forget the transgressions of Louie's childhood, considering him a local hero and the pride of his city.