Exactly. Committing something of worth acts as a super-token. It's way of illustrating your commitment and (internally) reinforcing that commitment. One of the

Exactly. Committing something of worth acts as a super-token. It's way of illustrating your commitment and (internally) reinforcing that commitment. One of the psychological effects is that Personal Bests almost always come from competitive events. I'm sure this is true of the CrossFit competiton as well.