Running

Running is the fastest means of locomotion for animals with legs, including
humans without a vehicle or other tool. Defined in sporting terms as a gait
in which at some point all feet are off the ground at the same time.

Running is a form of aerobic exercise.

Jogging

Jogging is a type of slow running that became common in the 1970s in the
West. Jogging fell from favor as it is a "high-impact" exercise that places
strain on the body, notably the joints of the knee. This is one of the whole
ideas of the exercise, as the impact drives growth processes in the body,
but many had dropped jogging to take up "low-impact" exercises such as stair
climbing.

Competitive running

Perhaps the most basic of athletic contests, running races are simply
contests to determine which of the competitors is able to run a certain
distance fastest. Today, competitive running events make up the core of the
sport of athletics.

Running competitions have probably existed for most of humanity's history,
and were a key part of the ancient Greek Olympics, as well as the modern
Olympic games.

Running events are usually grouped into several classes, each requiring
substantially different athletic strengths and involving different tactics,
training methods, and types of competitors.

Types of running events:

   * Track running
   * Road running
   * Cross-country running

Classification of running by distance:

   * Sprints
   * Middle distance
   * Long distance
   * Ultrarunning

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