Intrapersonal Achievement Goals and Underlying Reasons among Long Distance Runners: Their Relation with Race Experience, Self-Talk, and Running Time - Delrue, J.; Mouratidis, A.; Haerens, L.; De Muynck, G.-J.; Aelterman, N.; Vansteenkiste, M. (Psychologica BelgicaPsychologica Belgica, 2016)