Change needn't be hard. In fact, it can be downright easy.
Your subconscious mind has been storing facts, attitudes, and beliefs about change all of your life. In many instances, these beliefs are about how difficult it is to change. You need to examine these and determine which are valid.
If you're thinking about your competition and you get a picture of yourself competing the run with the fastest time you've ever run, you've identified some positive self-talk that is helping you and that you need to preserve.
Good team leaders pay attention to what's important, and they know what's not important or irrelevant to the big picture. They have an obsession for perfection, and yet they have patience. They know how to coach and manage those willing and wanting to buy into their visions. They retain their high performers, keep them motivated, and inspire them to want to change and be the very best at whatever position they hold on the team.
Who are the experts in the arena who are putting up mental obstacles for you? Well, somebody who's been in the sport longer than you. Learn to overcome the "tigers" in the barrel racing arena. You alone decide your mood, beliefs and attitudes on what you want in the arena.