Phil Burt

The shift from ball-of-foot tradition For decades, the cycling world has bowed to a singular dogma: the cleat belongs directly under the ball of the foot. This alignment, ostensibly designed to mimic the natural leverage of a running stride, is now facing a rigorous challenge. Experts like Phil Burt, former head of physiotherapy for British Cycling, suggest we have been sacrificing stability for a perceived leverage that may not translate to the bike. Moving the cleat rearward toward a mid-foot position fundamentally alters the biomechanical chain, shifting the load from the volatile, smaller muscles of the lower leg to the powerhouse stabilizers of the hip and glute. Biomechanical efficiency and the tin can analogy When you stamp on a tin can to crush it, you do not use your toes. You use your heel or the sturdy mid-section of your foot. Phil Burt uses this analogy to explain why a rearward cleat position is often superior for sustained power. By sliding the cleat back, you effectively remove the calf muscle from its role as a primary power producer and turn it into a rigid stabilizer. The calf is a relatively small muscle group that fatigues quickly under high torque. When the cleat is slammed back, the ankle joint becomes more stable, allowing the force generated by the quadriceps and glutes to transfer more directly to the Shimano pedals without the "energy leak" of an oscillating ankle. Shorter cranks and the hip angle revolution Rearward cleat positioning does not exist in a vacuum. It is increasingly paired with the move toward shorter crank lengths, such as the 160 mm units tested by Si Richardson. Traditional 175 mm cranks often force the rider into an aggressive hip angle at the top of the pedal stroke, which can restrict breathing and power output. When you combine mid-foot cleats with shorter cranks, you allow for a higher saddle height and a more open hip angle. This combination enables a more aerodynamic profile without compromising the rider's ability to drive through the "power phase" of the stroke. Testing confirms that while the calf activation drops, the gluteal engagement increases, providing a deeper well of endurance for long-course efforts. The trade-off between stability and snap Functional strength is about choosing the right tool for the job. While the mid-foot position is a masterclass in efficiency for Ironman triathletes or steady-state time trialists, it comes with a cost. Colby Pearce warns against "disastrously generic advice," noting that some riders lose the "snap" required for high-intensity accelerations. Si Richardson observed that while his steady power felt familiar, out-of-the-saddle efforts and high-cadence sprints felt disjointed. The calf provides a final flick of power at the bottom of the stroke; remove it, and you lose that explosive responsiveness. Conclusion If you are a rider plagued by Achilles issues, calf cramps, or numbing hot spots, the mid-foot cleat position is a high-reward adjustment. It prioritizes the body's largest muscle groups and optimizes the biomechanical lever for endurance. However, if your riding demands the violent accelerations of a criterium or a bunch sprint, the traditional ball-of-the-foot position remains king. The future of bike fitting lies in bio-individuality, not rigid adherence to outdated norms. Strength starts where the foot meets the pedal.