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What are the key principles used by elite endurance coaches to get the very best out of competitive athletes? Andrew Sheaff looks at new research
Performance endurance training has come a long way from the days of ‘go long, go hard’. Performances continue to improve but these improvements are often driven by thoughtful coaches focused on helping their athletes perform as effectively as possible. In the digital age, there’s more and more information and data available about how to improve endurance performance - from social media to scientific research – but curiously, this doesn’t necessarily mean there’s access to better, high-quality information.
One of the most valuable sources of quality information (and unfortunately one of the rarest) are elite endurance coaches. These are the individuals who are working at the cutting edge in an arena where they need to get every aspect of training, nutrition and recovery as right as possible in order to help their athletes accomplish their goals. A lot of attention is given to workouts or combinations of workouts given by elite coaches. However, while it’s valuable for others to know the specifics of what these well-coached athletes are doing, it’s important to understand that these workouts taken from a training program have been designed for specific athletes, and are therefore really only applicable to the athletes they were written for.
Rather than specific workouts, what’s much more valuable and interesting to other athletes are the thought processes that determine why these workouts were created, and how they need to change over time, because these are principles that can be applied to any athlete. To try and understand these thought processes and arrive at some solid guidelines, a group of researchers have sought to understand exactly how elite Norwegian endurance coaches prepare their athletes, as well as the rationale behind their decisions. With a better understanding of the principles behind elite endurance training, it becomes possible to apply those principles to our own training and the training of the athletes we coach.
In this study, a group of Norwegian scientists and 12 Norwegian coaches were used to investigate the methodology of elite endurance training preparation(1). Coaches from rowing, speed skating, triathlon, swimming, road cycling, biathlon, cross-country skiing, and long-distance running participated in the study. These were very successful coaches, coaching athletes to over 380 international medals.
To gather the necessary information, a 4-stage process was undertaken:
· First, a written questionnaire was sent to the coaches.
· This information was then compared to training logs of the coaches’ most successful athletes.
· Once this information was compiled, the coaches were then interviewed separately to provide further depth of understanding.
· Everything was then assembled and presented to the coaches, for further clarification and confirmation.
The researchers were ultimately looking to understand the broad-brush concepts and similarities in approaches that remained consistent across all sports. While it makes sense that cyclists and long-distance runners will have different training volumes in terms of distance covered and total hours, the researchers believed that the overall approach and methodology would show strong similarities across all sports. Discovering those similarities was the purpose of the study.
While the specific strategies that coaches use are different in different sports, there were seven common themes or principles that were found across all sports and coaches. These principles are particularly valuable because they hold true regardless of the context. Therefore, while it’s unlikely you’ll want to copy the exact training program of an elite athlete or international champion, you can take the principles their coaches use and apply them to your specific context.
Principle #1- Volume before intensity
One of the foundational principles was a focus on accumulating volume early in the preparation period. While interval training was present through the training year, volume was the focus early on. While this was seen in the low intensity sessions, it was also reflected in the interval training sessions themselves. These sessions were longer and performed with controlled intensity earlier in the season. As the season progressed, there was a drop in volume and intensification of the interval training sessions. The key idea is to build volume first and then make interval training sessions more specific when approaching competition.
Principle #2 - Hard days
Intense training sessions were consolidated into three training days over the course of the week. Any session that was beyond low intensity and moderate volume was placed on a ‘hard’ day. This practice allowed athletes to focus their energy on the sessions and training days that were most important, while also ensuring that there was sufficient recovery on the four remaining days. Three hard days shouldn’t be seen as necessary, but as the maximum. If even elite athletes aren’t training ‘hard’ more than three days per week, nobody else should be either. Focusing your effort is critical!
Principle #3- High volume, low intensity
The majority of the training was performed at low intensity for high volumes. The researchers found that 85-95% of the training was considered aerobic in nature. And most of this training (80-90%) was considered low-intensity endurance training (see figure 1). By far, most training performance by endurance athletes is performed at relatively low effort levels and speed. While it can be tempting to push the intensity, it appears to be the accumulation of low-intensity work that is so critical.

Principle #4- Reduced focus on anaerobic/supra-maximal training
While very high-intensity interval training is all the rage, this form of training is greatly reduced in the training of elite endurance athletes. Data showed it compromised a very small proportion of the training time. This makes sense as the physiological adaptations that are driven by this type of training are ultimately at odds with the physiology necessary for competing successfully in endurance events. It is important to note that sport-specific strength and speed work was still performed, although at reduced volumes. If a significant portion of your training takes the form of very intense training, it’s worth considering whether that training is moving you closer to your goals.
Principle #5- Optimized key sessions
Although most of the training was low intensity, the training program was geared towards performing at an extremely high level during the focused ‘hard’ training sessions. It’s important to note that optimizing performance is not the same as maximizing performance. The goal was to perform these sessions as close to optimal as possible. That meant hitting the right paces, hitting the right intensities, having the right attitude and approach, and executing with technical precision. These sessions are the closest link to competition, and they should be treated as performances in their own right with the goal of performing as close to the designated goals as possible. In plain English, rather than just working hard, the focus is on optimal execution.
Principle #6- Balancing load and recovery
With elite athletes pushing the boundaries of what’s possible, balancing load and recovery is key. Focusing too much on load ultimately leads to stagnant performance or injury. Therefore, there was a focused effort on ensuring that the training was optimized to match athletes’ recovery capabilities. Likewise, there was a focus on ensuring athletes were taking steps to maximize recovery from the imposed load. Regardless of the training loads you’re using, the key concept is to ensure that you’re able to recover from those training loads. When training loads are higher, it may be necessary to engage in certain activities such as cold-water immersion, which allow for more effective recovery.
Principle #7- Preparing for peak performance
The final common factor was that everything was done by coaches with the goal of working towards the most important competitions of the season. In particular, the key sessions were designed with building the necessary physiology, technical skills, and psychological skills that will be required to perform when it matters most. These traits remained a central focus throughout all training activities every day. As has been emphasized so far, rather than just ‘working hard’, all activities were designed and executed with the ‘final goal’ in mind. This gave athletes the best chance to develop the necessary attributes to accomplish their goals. When creating and performing training sessions, it is therefore important to keep the long-term goal in mind, and always be working toward that.
While these principles apply across all sports, the specific implementation of these strategies will be different between sports. For instance, runners included many shorter training sessions, whereas cyclists typically performed much fewer, longer sessions. Swimming meanwhile favored interval training for low-intensity aerobic development. While most sports performed the majority of the training using the specific competitive discipline (eg runners ran, cyclists cycled etc), cross training was the primary modality in speed skating.
Examining the best practices of elite endurance coaches is particularly valuable because you can use these principles to guide your training or the training of the athletes you coach. This is particularly important because every situation is different, and your own situation will likely change over time. If you have solid principles to guide you, it becomes much easier to make effective decisions.
Elite endurance coaches are focusing predominantly on aerobic training. This is especially during the beginning of the season. While interval training is performed, the majority of it is aerobic in nature (ie longer intervals, not too intense), and these sessions are only scheduled for three days per week at most. These sessions should be the focus of the week, and everything is done to optimize performance in these sessions. There is a large focus on recovery to ensure that all training can be as well as possible. By understanding the demands of your sport, you can apply these principles to improve performance. When in doubt, look to these principles to guide your training!
1. Sports Med Open. 2025 Apr 25;11(1):45. doi: 10.1186/s40798-025-00848-3
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