What happened to my app!

I downloaded this app a while back and now theres nothing I can do with it. Its stuck on RUN and its blank. I want to use it to train for a half but I cant get into it. Ive deleted it and reinstalled it but it is still the same blank screen stuck on RUN. Any suggestions on how to make an app I PAID for work? I truly hope this wasnt a $5 waste of my money.

Jester675 about Run Training Pro