At fifteen, shy Maureen Meyer has never had a real date. But as soon as she meets outgoing, adorable Jake Harmon, she sets her sights on becoming his girl. And when a school project throws them together, Maureen is sure her time for romance has come.

But Maureen has another ambition - she wants to run in the Boston Marathon. Unfortunately, Jake doesn't share her devotion to sport. The more Maureen runs, the harder it becomes to juggle her daily workout and the time she spends with him. Will holding on to her dream mean losing Jake?