These are some great articles, books, and scientific studies that have been published for the field of Sport & Performance Psychology. Your can find some of the resources that I have referenced in my blog here in this list. Be proactive and pursue your peak by reading the experiences of others. You may find a new way to boost yourself towards your peak!
Larkin, P. & O’Conner, D. (2015). Does Grit Influence Sport-Specific Engagement and Perceptual-Cognitive Expertise in Elite Youth Soccer. Journal of Applied Sport Psychology, 28, 129-138.
Lerner, B. S. & Locker, E. A. (1995). The effects of goal setting, self-efficacy, competition and personal traits on the performance of an endurance task. Journal of Sport & Exercise Psychology, 17, 138-152.