Voyager, Marcher, Courir, Maigrir avec le marathonien et écrivain Ronald Tintin

Definition of race walking : Race Walking is a progression of steps so taken that the walker makes contact with the ground, so that no visible (to the human eye) loss of contact occurs. The advancing leg shall be straightened (i.e. not bent at the knee) from the moment of first contact with the ground until the vertical upright position. Rule 230 from INTERNATIONAL ASSOCIATION OF ATHLETICS FEDERATIONS.