Mental endurance: boredom, a trial within a trial.

Dec 8, 2025
Endurance mentale : l’ennui, une épreuve dans l’épreuve.

Boredom, often perceived as a mere annoyance, actually plays a crucial role in athletes' self-regulation, particularly during ultra-endurance events. This aversive state arises when an individual is unable to engage their attention satisfactorily, creating a powerful urge to divert their mind from the task at hand. Boredom thus places significant demands on self-control, as persisting in a monotonous situation requires a continuous mobilization of willpower to counter the impulse to "do something else."

In this context, boredom can generate feelings of mental fatigue and frustration, compromising performance. Research even shows that performing an easy but boring task can cause fatigue equal to, or even greater than, that of a task demanding mental control. This phenomenon is particularly common for endurance athletes, who, faced with the repetitive nature of their efforts, must regularly overcome boredom to maintain their performance. For an ultra-endurance athlete, understanding and managing boredom is essential, as it can become one of the keys to success, where the body is no longer the only one struggling.

This article explores in depth how boredom, far from being a trivial obstacle, constitutes a major mental challenge for athletes seeking to surpass themselves, and how its management can influence their success in ultra-endurance events.


Is boredom in ultra-marathons an inevitable part of life?


Unlike other forms of physical exertion where the pace changes frequently (sprints, hurdles, varied exercises), ultra-endurance is characterized by a prolonged and almost hypnotic repetition of the same movements. This regularity can lead the mind to "disconnect" from the effort. However, for an athlete striving to push their limits, this disconnection is a trap. Ultra-endurance running may seem, from the outside, particularly conducive to boredom: it involves repetitive, low-intensity movements, often in monotonous environments with little stimulation, such as deserts without visual landmarks or night races in complete darkness. These events are also extremely demanding, to the point that even well-prepared athletes can fail, as in the famous Barkley Marathons where, in some years, no one reaches the finish line in time. Paradoxically, despite this potential for boredom, ultra-endurance events (over 6 hours) have been gaining popularity for 25 years ( Scheer V. Participation Trends of Ultra Endurance Events. Sports Med. Arthrosc. Rev. 2019 ). Far from perceiving them as boring, athletes seem to see them as a way to escape daily boredom, seeking nature, self-improvement, and memorable experiences. Thus, while these sports present elements that can induce boredom—repetition, monotony, difficulty (Source: Moynihan AB, Igou ER, van Tilburg WAP. Existential Escape of the Bored: A Review of Meaning-Regulation Processes under Boredom ) —ultra-athletes seem less affected by it than the general public, and find in their discipline a sense of escape and meaning.


Boredom: Why is it a threat to performance?


When boredom sets in, it is no longer just a question of a drop in motivation; it becomes a powerful amplifier of fatigue, transforming each kilometer into a mental ordeal, where the perception of effort intensifies overwhelmingly.


Boredom activates cognitive processes linked to mental fatigue. When an athlete is bored, their mind is no longer focused on the present moment and performance control; it wanders, leading to a lack of concentration that weighs down every movement and amplifies the perception of pain. Similarly, the risk of injury increases if the athlete is less focused on a technical aspect of the sport, for example. This state often plunges the athlete into a negative cycle where the slightest discomfort becomes insurmountable, thoughts of giving up can take root and grow, transforming a simple endurance challenge into an intense mental battle.


A runner who feels bored during a race must therefore summon their willpower to continue despite the boredom-induced urge to quit. Consistent with this, boredom can lead to feelings of fatigue or frustration, and even impair performance. Indeed, a large-scale experimental study (Source: Milyavskaya M., Inzlicht M., Johnson T., Larson MJ, "Reward Sensitivity Following Boredom and Cognitive Effort: A High-Powered Neurophysiological Investigation ") showed that performing an easy but boring task induced feelings of fatigue that could surpass the fatigue felt when performing a task considered more demanding in terms of mental control.


Mental Resilience: Transforming Boredom into Strength


Mental resilience is what distinguishes the athlete who can manage boredom from the one who succumbs to it. Some runners adopt mindfulness techniques to bring their minds back to the present moment. Rather than fighting boredom, they strive to focus on their breathing, the sensation of the ground beneath their feet, or even the natural elements around them, such as the rustling of leaves or the rhythm of their own heartbeat. This approach helps them transform what could have been a source of boredom into a source of strength, a state of flow that makes every moment important and every movement meaningful.


In ultra-endurance running, every positive distraction becomes a mental boost. When an athlete manages to find a space for active meditation within boredom, they disconnect their mind from the suffering by focusing on the present moment or the next "small step within the step," such as the next aid station. This state of concentration, often called "being in the zone" or "flow," reduces the perceived effort, harmonizing the body and mind. It then becomes an endurance experience where the runner is an active participant in each step, rather than a spectator of their own suffering.


Structuring Your Run to Break the Monotony


Other athletes take a strategic approach by mentally breaking down their race. Rather than viewing the event as an endless 24-hour loop, they divide it into smaller milestones: aid stations, clothing changes, and highlights to celebrate. These small objectives become sources of motivation, stages where each moment can be celebrated as a victory. For example, reaching an aid station becomes an opportunity to recharge, focus on the next segment, and renew commitment.


Mentally breaking down goals is a powerful antidote to boredom. By dividing the race into smaller segments, the athlete no longer perceives it as an insurmountable mass, but as a series of small, achievable steps. This process of setting “mini-goals” boosts morale, creates a psychological reward at each milestone, and allows the athlete to maintain control over the race. Instead of succumbing to monotony, the athlete sets new short-term challenges, making each segment of the race motivating and attainable.


The Real Impact of Boredom on Physical Performance


While boredom is often thought of as purely mental, it also has very real physical repercussions. Studies show that boredom increases the perception of effort. In other words, a bored athlete will experience their effort as more intense and strenuous, even if they maintain the same pace. This can result in involuntary slowing, decreased energy efficiency, and ultimately, reduced performance.


Performance in ultra-endurance is not solely a matter of physical strength, but also of mental management. By combating boredom, athletes conserve mental energy, prevent cognitive fatigue, and thus optimize the use of their physical and mental resources. Fighting boredom then becomes a direct investment in performance.


Anti-Boredom Strategies: Building Your Mental Plan


To avoid being caught off guard, many athletes prepare a comprehensive mental plan to combat boredom before their race. Some download carefully curated music playlists, while others practice mental exercises such as math games or repeating motivational phrases. Some runners also surround themselves with a support team or running partners who encourage them, creating occasional moments of interaction that break the monotony. These practices offer external support, renewing their motivation and allowing them to overcome the most difficult phases. ***(Mateo A. 10 Expert Tips to Beat Mental Boredom During a Marathon. Runner's World. Oct 29, 2018.)


  • Visualize your training : Mentally picture the steps and objectives of your journey that led up to the race.

  • Break down the distance : Divide the race into smaller, more manageable sections.

  • Speed ​​up the pace : Change the cadence at times to break the monotony.

  • Focusing on someone else : Observing other competitors or concentrating on a running partner.

  • Find a distraction : Use external elements or positive thoughts to change your mind.

  • Building a support network : Surrounding yourself with loved ones or teammates to maintain motivation.

  • Capitalizing on the crowd : Drawing on the energy of the spectators to maintain momentum.

  • Remember why you are here : Keep your goals and deep motivations in mind to stay focused.


Every ultra-endurance athlete knows that mental preparation is just as essential as physical training. Having a range of boredom-fighting strategies to use during the event helps prevent psychological slumps. These techniques help maintain focus, prevent mental disconnection, and boost motivation, especially when fatigue reaches its peak. Surrounding oneself with distractions and support thus becomes an integral part of preparation, as much as nutrition or equipment selection.


Introducing boredom, an invisible challenge, into mental preparation.


In ultra-endurance, boredom is an invisible challenge that often determines the success or failure of a race. For athletes who aspire to excel, managing this boredom must be integrated into their preparation, just like physical training and nutritional planning. By learning to embrace boredom, transforming it into an opportunity for active meditation, or circumventing it through segmented goals, they turn a mental obstacle into an ally. Managing boredom is, in fact, managing the challenge itself, because beyond physical endurance, ultra-endurance is all about mental endurance.


For every athlete, the key is finding the tools that work for them. Long-distance races are unforgiving, and a mindset prepared to cope with boredom is a mindset ready to tackle the distance. Boredom, when properly understood, then becomes a learning tool, a source of self-improvement, and a way to explore one's limits beyond the mere kilometers covered.

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