Burst of energy: Oftentimes when running you reach a point where you are tired and can at best keep up your current pace. A second win is when you reach down and have a sort of "energy reserve" or second wind that enables one to keep going...
Answered 10/3/2016
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Runner's high: You can be running either a long distance or track and field, be on the verge of wanting to quit, then a surge comes over the body- a burst of adrenalin, sometimes explainable. The feeling is awesome and sometimes will surprise when you have completed your workout.
Answered 2/1/2014
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