You can also vary your activities within one workout. Spend 10 minutes on an exercise bike, 10 minutes on the AB machine, 10 minutes doing weights and then go for a 30 minute run.

You can participate in different cardio activities each week. Interval activities are activities that involve short bursts of high intensity effort mixed with low intensity recovery periods.

Some of us may experience an injury which could require some time off of running. This could meant a loss in fitness unless a different activity can be inserted into your training program. You may wish to explore cross-training options. Cross-training could help you maintain your fitness level and also insert variety in your running program.
Three popular cross-training alternatives for runners are water running, cycling and stair climbing.

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