Saint Ralph (2004)

Not a great movie - I wanted to see it since it was about a marathoner (albeit fictional) and it's Canadian - how bad could it be? It is quite contrived, poorly acted, but not without some charms.

Ralph is in high school and his mother is dying. He wants a miracle, so he prays to the saints, decides he needs to work on his faith and decides he'll win the Boston Marathon... And there are a few laughs too.

IMDB