Physiological determinants of optimal cadence in individual pursuit: neuromuscular and bioenergetic foundations of the 105-115 rpm range

Optimal cadence in individual pursuit (IP) does not constitute an idiosyncratic preference of the athlete nor a consequence of their road training preferences. It constitutes the manifestation of a compromise between neuromuscular efficiency and metabolic economy, conditioned by the interaction between selected gearing and target cruise velocity. Exit from the optimal range translates into quantifiable chronometric loss, independently of the athlete's fitness state.

Cadence distribution observed in world elite 2018-2026

Analysis of cadences registered in World Cup and European Championship finals since 2018 documents the following distribution by discipline and category:

• Male individual pursuit sub-4:10: mean cadence 110-115 rpm.
• Male individual pursuit sub-4:05: mean cadence 112-116 rpm.
• Female individual pursuit sub-3:20 (3 km): mean cadence 108-113 rpm.
• Male kilometre time trial sub-1:00: mean cadence 135-145 rpm.

Intraindividual and interindividual dispersion is reduced by the intrinsic narrowness of the window. Cadence above 118 rpm compromises intermuscular coordination and the completion of the contraction-relaxation cycle. Cadence below 105 rpm increases preferential recruitment of type II fibres and lactate production, with consequent elevation of the metabolic cost of exercise.

Neuromuscular basis of the optimal window

Coyle et al. (1991) demonstrated that gross pedalling efficiency —the ratio of generated mechanical power to consumed metabolic energy— presents an inverted U-shaped curve as a function of cadence. For loads above 90% of VO₂max, the optimum shifts towards cadences between 100 and 120 rpm. Below this range, the muscular torque required per pedal stroke forces anticipated recruitment of type II fibres, whose metabolic cost per watt produced is higher than that of type I fibres. The bioenergetic consequence is elevation of blood lactate and accelerated depletion of the W' reservoir.

Above 120 rpm, the dominant phenomenon is the parasitic power of cyclic movement of the lower limbs (Foss & Hallén, 2005). The alternating vertical displacement of a segmental mass of approximately 8 kg per lower limb demands energy input that does not contribute to propulsion. At 130 rpm, this cost is 25-40 W; at 110 rpm, 15-20 W. The net difference —10-25 W— constitutes a significant loss in the chronometric context of individual pursuit.

Coupling between cadence and gearing

Cadence and gearing do not constitute independent variables. Fixing one determines the other for a given target velocity:

A cyclist with a chronometric objective of 4:08 (mean velocity 58.06 km/h ≡ 16.13 m·s⁻¹) and 54 × 13 gearing (8.71 m per revolution) presents a mean cadence of 111 rpm, a value centred in the optimal window. If the same athlete were to opt for 56 × 13 (9.03 m/revolution) for the same target velocity, mean cadence would drop to 107 rpm, the lower limit of the window. The 54 × 14 configuration (8.09 m/revolution) would raise mean cadence to 120 rpm, placing it outside the sustainable range.

Operational consequences of reduction to 100 rpm

A cyclist sustaining 100 rpm in individual pursuit experiences the superposition of three simultaneous physiological penalties:

1. Elevation of muscular torque: at 100 rpm, torque required per pedal stroke rises by 15% relative to the value at 115 rpm for the same power. The neurophysiological consequence is anticipated recruitment of type II fibres, increased lactate production and accelerated W' depletion.
2. Reduction of gross efficiency: at supracritical intensity, gross efficiency at 100 rpm falls below optimum (Coyle et al., 1991). The documented loss ranges between 2% and 3%, equivalent to 8-12 parasitic watts for the same instantaneous velocity.
3. Deterioration of recovery pathways: sustained work with high muscular torque preferentially activates slow-kinetics recovery pathways, with negative impact on performance in the subsequent phase of exercise.

The accumulated cost falls at 15-25 parasitic watts, equivalent to a chronometric loss of 3-4 seconds over 4 km.

Operational consequences of elevation above 120 rpm

The opposite scenario presents its own penalty pattern. At sustained cadences of 122-125 rpm, the joint manifestation of three phenomena is observed:

• Elevation of the parasitic power of cyclic lower-limb movement to 30-40 W.
• Degradation of pedalling technique, with appearance of saddle bounce and loss of line in banked corners.
• Elevation of ventilatory cost, with coupling of respiratory rate to pedal rhythm and an increase in respiratory work of 8-12%.

Accumulated cost rises to 15-25 parasitic watts, a magnitude equivalent to the opposite under-cadence scenario.

Operational procedure for target cadence selection

1. Define the target final velocity (chronometric mark).
2. Convert to metres per second.
3. Select the target gearing (metres per revolution).
4. Calculate the resulting cadence via the kinematic equation.
5. If the resulting cadence falls outside the 106-116 rpm range, modify chainring or cog until it falls within the window. Cadence is not adjusted to gearing: gearing is adjusted to cadence.

References: Coyle, E. F., Feltner, M. E., Kautz, S. A., et al. (1991). Physiological and biomechanical factors associated with elite endurance cycling performance. Medicine and Science in Sports and Exercise, 23(1), 93-107. Foss, Ø., & Hallén, J. (2005). Cadence and performance in elite cyclists. European Journal of Applied Physiology, 93(4), 453-462. Corbett, J. (2009). An analysis of the pacing strategies adopted by elite athletes during track cycling. International Journal of Sports Physiology and Performance, 4(2), 195-205. Boillet, A., Foissac, M., & Dorel, S. (2024). Modelling the pursuit start. Scientific Reports, 14, 12482.