In the realm of cycling, particularly when gearing up for hilly events, a perennial question looms large: Is it essential to train on hills to excel in them? This question ignites passionate debates across cycling forums, coaching circles, and among cyclists themselves. Conventional wisdom has long held that to conquer the peaks, one must become one with them through relentless hill training. However, a deeper dive into the science of cycling and energy system dynamics suggests that the equation might not be so straightforward. This blog seeks to unpack this complex topic, offering insights into whether mastering our body’s energy systems could be just as, if not more, crucial than the physical act of ascending slopes.
Covered in this blog:
- Unraveling the science of cycling
- The debate around training specificity
- The argument for training on hills
- The argument for training the energy systems
- Alternative training modalities
- The role of resistance training
- The psychological and tactical edge of hill training
- Embracing a holistic training philosophy
Unraveling the science of cycling
At the heart of cycling performance, whether on flat ground or scaling heights, are the body’s meticulously orchestrated energy systems. These systems are the silent engines behind every pedal stroke, dictating endurance, power, and recovery.
Understanding the roles and demands of the phosphagen, glycolytic, and oxidative systems reveals the nuanced ways in which our bodies fuel the ride. Short, explosive efforts rely on the phosphagen system, while the glycolytic system supports medium-duration, high-intensity work. For the long, steady climbs and extended efforts, the oxidative system takes the helm, utilising oxygen to sustain energy production. This foundational knowledge prompts a reevaluation of training needs, suggesting that perhaps the terrain traversed in training might not be as critical as the energy systems engaged and developed.
The three primary energy systems utilized in cycling: the phosphagen system, the glycolytic system, and the oxidative system. Each plays a role in different cycling scenarios, from short, explosive efforts to long, sustained climbs.
- Phosphagen system: Powers the first few seconds of high-intensity effort.
- Glycolytic system: Takes over for medium-duration efforts, producing energy in the absence of oxygen.
- Oxidative system: Dominates during prolonged, steady-state exercise, like long-distance cycling, using oxygen to produce energy.

The debate around training specificity
The principle of specificity in training argues for a straightforward approach: to excel in a specific task, replicate that task in training. Applied to cycling, this would mean that hill training is non-negotiable for those eyeing success in hilly races. The logic is compelling and grounded in the idea that direct experience with hill climbing best prepares the body and mind for the unique challenges it presents. This view holds that the specificity of training on actual inclines offers irreplaceable benefits, from physiological adaptations to muscle memory and mental fortitude.
The argument for training on hills
Training specificity suggests that to improve performance in a specific task, one must train using that exact task or something very close to it. From this perspective, hill training seems indispensable for hilly events.
The argument for training the energy systems
However, the argument against the absolute necessity of hill training lies in the adaptability of our energy systems. By targeting these systems through specific workouts, cyclists can potentially prepare for the rigors of hill climbing without constant access to similar terrain.
- Interval training: Mimics the high-intensity effort required for hill climbing.
- Strength training: Builds the muscular power needed for effective hill climbing.
- Endurance rides: Enhance the oxidative system for sustained energy production over long distances.
Alternative training modalities
Yet, the necessity of hill training is challenged by a broader understanding of how cyclists can prepare for elevation gains. Focusing on the body’s energy systems suggests a different approach, where specific workouts are designed to target and enhance the same systems taxed during hill climbing. Interval training, for instance, can simulate the high-intensity effort of ascents, while strength training builds the muscular power crucial for climbing. Similarly, endurance rides develop the oxidative capacity needed for sustained efforts. This perspective opens up training possibilities for those without regular access to hilly terrain, suggesting that with the right strategies, cyclists can achieve the physiological adaptations required for effective hill climbing.
The role of resistance training
Resistance training emerges as a cornerstone in preparing for the rigors of hill climbing, beyond its role in general cycling performance. It fortifies the muscles and joints, laying a foundation of strength that supports not just the act of climbing but the overall resilience of the cyclist. This type of training enhances power output, a critical factor in tackling steep inclines, and reduces the risk of injury, ensuring that cyclists can train and compete with consistency and confidence.

The psychological and tactical edge of hill training
While alternative training methods can mirror the physical demands of hill climbing, the psychological and tactical dimensions of hill training present a compelling case for its inclusion. The mental toughness wrought from facing and overcoming real inclines, the confidence gained from successful climbs, and the tactical acumen developed from navigating varying gradients and conditions are difficult to replicate fully in other training environments. These aspects of hill training, from pacing strategies to gear selection, are invaluable for the competitive cyclist.
Embracing a holistic training philosophy
In conclusion, while hill training undoubtedly offers specific benefits, its absolute necessity is nuanced by an understanding of energy systems and training methodologies. A holistic approach, incorporating targeted energy system development, strength work, and strategic hill training, presents a balanced path forward. This method ensures that cyclists are not only physically prepared for the demands of hilly events but also mentally and tactically equipped to face the challenges of the road ahead. In the end, the goal is not just to train harder but to train smarter, unlocking the full potential of the cyclist within.