Have you downloaded and tried to follow a generic plan?
Have you become injured training for an event?
Have you become ill training for an event?
Have you ever failed to achieve your targeted personal best (PB)?
Do you train the same way that you did last year or the year before?
Do you just run without scientifically understanding if further is actually better? (Otherwise known in the industry as Junk Miles?)
At the end of a training session, have you ever questioned whether your session was optimised – should you have swum, biked or ran instead? Faster or longer?
Do you have a full-time job or family commitments?
Do you struggle to train consistently?