Blog Is weight loss toxic to tiny top athletes? Imagine weighing twice as much as you do now and 50% of your body mass consisting of fat. In this condition, you must cycle for eleven days straight without stopping once to rest, drink, or eat. After this strenuous journey you have to make sure that you look your best, because as soon as you arrive, you need to mate. Time is ticking; after eight weeks you will need to cycle all the way back home!