The aim of the research is to study the differences between sport injuries made at professional and nonprofessional track and field in Iranian female students. The present study is a descriptive and causative comparative one, using retrospective technique. This study was conducted to determine the amount of injuries in professional and nonprofessional track and field female athletes participating in Country-wide Students competitions in 2009, and to compare the injuries in these two categories. The data related to all competitors including weight, age, athletic record, and also the type of injury and the location injured were recorded using a researcher-made closed questionnaire with Cronbakh α (α=0/9), the validity and reliability of which were reexamined on the statistical sample. The data were analyzed using U-man Whitney descriptive and inferential statistics and SPSS-11 software. Considering the findings of the research, no significant difference was found between the injuries in different body parts, in professional and non-professional groups. (p=0.577, u=170.5). Most injuries were that of muscle-tendon injuries, and the lower limbs were determined as the most vulnerable parts. In the present study, no significant difference was found between injuries in professionals and nonprofessionals. Perhaps one reason is that in Iran, athletes do not exercise constantly, and no demanding and exhausting exercise is done by track and field players. Further research should be done on the isssue to determine if there is any difference between professionals and nonprofessionals in terms of injuries, and for the reasons as well, to provide strategies to decrease the injuries in both groups. Results of this research can be used in pre-semester examinations to prevent from further subsequent injuries, considering the strategies available. Consequently, the most important usage of this research is to prevent the occurrence of subsequent injuries by identifying apt injured athletes, and to provide preventive strategies

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