Centurion - racewalking - was created in 1911.

no some people do not have other legs

Two illegal maneuvers in racewalking are lifting both feet off the ground (in a running motion) and bending the knee of the supporting leg. These actions violate the rule that at least one foot must be in contact with the ground at all times and the leading leg must remain straight from the moment it makes contact with the ground until it is in a vertical position.

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