You are training for a marathon. You spend all your extra time conditioning and practicing, because you know that the more effort you put in, the more likely you are to succeed. Based on this, it is likely that you have

High self -efficacy

Explanation:

High Self-efficacy can be defined as the way in which a person have the believe that he /she can perform or do well in a given tasks which makes them to often view difficult tasks as something they have to mastered rather than something to be avoided thereby dealing with the prospective situations which is why HIGH SELF- EFFICACY often have important effects on the amount of effort such individuals apply to a given task. Example A person with high self efficacy personality will often perform well and succeed in their given tasks than the person who does not have self -efficacy personality due to the fact that such person belief in his or her capacity to execute behaviors necessary to produce specific performance attainments which in turn increases the likelihood of successfully achieving a given task.