For those concerned with perfecting their technique, there are walking clinics and books about walking. Racewalking technique is more difficult to master. Like speed walkers, racewalkers do not let themselves become airborne, as runners do. What makes racewalking unique is that the supporting leg is kept unbent from the time the foot touches the ground in front of you until the moment it passes under your body. Racewalkers also accentuate their arm swing and move their torso and pelvis in a rhythmic, albeit peculiar-looking manner.
Posture is important in both speed walking and racewalking.
The torso is kept upright yet relaxed throughout each stride. In racewalking, your footfalls should be aligned, and your hips, which drive your stride, should be rotating horizontally with very little vertical movement. Some walkers clubs offer speed walking and racewalking clinics. Speed walking guidelines Talk to your Doctor .Despite speed walking's low injury rate, consult your physician before beginning this or any other exercise regimen. Obtaining medial clearance is especially important if you have high blood pressure or other cardiovascular problems.