Hello to all trail runners!

We are French students and we are currently carrying out a study to find out the buying behavior and habits of trail runners, in order to meet your requirements. You can help us by completing this short questionnaire that will only take a few minutes of your time:

https://docs.google.com/spreadsheet/viewform?formkey=dENfMFNYRWVrNndVRXlYOW45Q1NkMGc6MA

Thanks for your help and participation!