“…Performance in endurance sport is a complex mixture of physical, technical, and psychological factors (Taylor et al, 1995). Relating to the physical factors, endurance athletes aim to ensure they are physically prepared for their endurance sport (Jones & Carter, 2000) and they aim to manage exercise-induced sensations such as exercise pain, injury pain, discomfort and exertion (Christensen, Brewer, & Hutchinson, 2015;Samson, Simpson, Kamphoff, & Langlier, 2017;Schumacher, Becker, & Wiersma, 2016). In regards to the technical aspect, endurance athletes must ensure they pace themselves appropriately to help DEVELOPMENT AND INITIAL VALIDATION OF THE ESSES 8 ensure high levels of performance (Renfree et al, 2014), ensure appropriate technique and form (Novacheck, 1998), and they must also be able to maintain high levels of concentration to aid this and other related decision-making processes (Brick, MacIntyre, & Campell, 2014).…”