This study used a descriptive-correlation type of research to assess the mental toughness among MSU Marawi athletes in sports performance in terms of level of competition and rank among male and female varsity athletes in the events of Athletics, Badminton, Basketball, Chess, Sepak Takraw, and Soccer. A total of 83 varsity athletes (16 females and 67 males) of the MSU in Marawi City were the respondents of the study. Data was gathered using the Mental Toughness Questionnaire made by Allan Goldberg (1998). The findings revealed that the playing experience showed significant relationship with the level of participation. It was concluded that the department of Athletics should give more emphasis on training and allow participation of MSU varsity in different competition or tournament in order to improve their talent and skills in various sports that they engaged, in order to manage competitive stress and to enhance their mental capability to handle those pressures, stressors and problems during the competition which contributes to their performance enhancement. To also, encourage more participation of the MSU varsity athletes, particularly newbie regardless of age, gender, and skills status.