Design an Advertisement

We are selling Fitness Jewellery [login to view URL] (our comapny) and we are having a stand at an obstacle race event ([login to view URL]) for people to get their hands on our product on 14 March 2015, maybe use the logo of Impi Challenge and picture of people running through mud etc but do not use too much of Impi images etc but people have to get the idea with who we will be partnering for the day. so to confirm, we have a stand on 14 March 2015 at the Impi Challenge and festival and need a small advertisement that we can share on our facebook.