What is the climax of "an unlikely heroine"

An Unlikely Heroine is a story written by Elizabeth Kibler that outlines the potential talent in regular people.

The climax of the story is Teresa becoming the basketball team's coach, jumping up and down with her sister Alisa after this one gets hurt and Teresa substitutes her to coach the team, doing an excellent job directing her teammates and winning the game as the bell was about to blare, both sister celebrate victory united with a firm hand grip.