nnnoooo!!!! im 2 young 4 a cathetr inserted ,i agre with you two about the water , gels and so on its just im used to road running and mountines are,well step and fierce .!and there all the saftey gear and what shoe 2 use (have you seen the inov8 website!)its a lot decesions to do .its nice here from the forum ,that its all about the runnig and not the gizmos