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1 Conduct strength and mobility training every other day. 2  Conduct endurance and mobility training (running) every other day. This also applies to foot marches more than 5 km in the toughening phase.  Avoid conducting foot marches, and endurance and mobility training on the same or consecutive days.
Athletes can also undergo endurance training when their sport may not necessarily be an endurance sport in the whole sense but may still demand some endurance. For instance aerobic endurance is necessary (to varying extents) in racket sports, football, rugby, martial arts and basketball.