Increasing stamina involves building cardiovascular endurance and overall physical fitness. 1.Running/Jogging. Running and jogging are excellent for building cardiovascular endurance.Start with a comfortable pace and gradually increase the duration and intensity over time. 2.Cycling. Cycling, whether outdoors or on a stationary bike, is a low-impact exercise that helps improve stamina.Vary your speed and intensity during boost your stamina best trice exercises daily life.