Triathlon Psychology Triathletes rank among the most dedicated athletes in the world. Their life revolves around swimming, running, or cycling. This makes the psychology of triathlon a vital yet often overlooked part of performance . Athletes openly recognize its value, but the mental side of triathlon still takes a back seat to physical training . Research reveals some interesting numbers. Positive emotions increase by a lot during training - jumping from 38.1 to 54.3 over s