“…In addition, several events or changing dynamics may occur during a race ( Suter et al, 2020 ) due to the many variable exigencies of this sport ( Scheer et al., 2019 ), including a combination of the runner’s own physical, tactical, and psychological characteristics that can lead to success or failure ( Liew et al, 2019 ). In trail running, as in all other sports, performance is influenced by many physical characteristics like toughness, strength, speed, agility, and by the athletes’ psychological status such as motivation, concentration, and mental ability ( Namli & Demir, 2019 ). In this regard, toughness may be needed for correct decision making under stress-difficult conditions, staying calm under pressure, and overcoming troubles that are intertwined with performance; this makes mental toughness a critical competency for achieving best success ( Namli & Demir, 2019 ).…”