Hi thanks for all of your good advices. more training?: i would like to but i dont have the time. more cardio: i usually run for at leat 15km and sometimes more (up to 25 or even 30km) so i think that it is enough. (i used to run three times a week, but took up too much time) could you give details about the weight lifting: how can it support building up speed? (i am awefully slow) mfg.