Ultra-endurance is a world of its own, where athletes constantly push their physical and mental limits. While this discipline attracts people with its intensity, it can also become much more than just a sport: a compelling need, an outlet, and sometimes, an addiction. The shift from a healthy passion to a compulsive relationship with extreme exertion is a phenomenon increasingly documented in the sociology and psychology of sport.

When Passion Slides into Addiction in Ultra Endurance:
Sports addiction often manifests as a compulsive need to constantly push oneself further, an escalating pursuit of performance where the athlete can no longer tolerate stagnation . This process is fueled by a rigid superego, imposing an unattainable ideal of self, where every workout becomes an absolute necessity rather than a choice. Even when the body cries out for rest, the uncontrollable desire to accumulate miles takes over, to the detriment of physical and mental health.
The athlete addict develops a tolerance for exertion: they must constantly increase the duration and intensity of their training sessions to regain the same feeling of satisfaction and accomplishment. When the activity is interrupted, whether by injury or external constraints, they may experience withdrawal symptoms, including anxiety, irritability, and/or a feeling of emptiness.
Denial is a defense mechanism often found in this situation. The athlete ignores their body's warning signals and rationalizes their behavior under the guise of discipline and passion. This failure to recognize bodily signals often masks a deeper need: managing daily stress, escaping underlying anxiety, or conforming to the demands of a society that glorifies self-improvement and perfection.
The Injury as a Turning Point
For some athletes, injury is a brutal rupture that forces a reckoning. This imposed pause creates a void in their lives, highlighting the excessive importance that ultra-endurance had acquired. It is in this moment of emptiness that profound questions can emerge: is the need to run a genuine desire or the unconscious manifestation of a compulsion? Does this irrepressible need to perform fill a narcissistic void or soothe an unconscious anxiety?
This enforced break becomes an opportunity to reassess the relationship with sport and to readjust towards a more balanced practice.
Harmonious Passion vs. Obsessive Passion
Vallerand developed the dualistic model of passion, which distinguishes between two forms of investment in sport: harmonious passion and obsessive passion. The athlete with harmonious passion finds in ultra-endurance a source of fulfillment that does not dictate their entire existence. They know how to rest without guilt and accept that certain periods in life require a reduction in training. For them, effort is a means to experience transcendent moments, not an end in itself. Even after an intense race, they may feel a void, a drop in adrenaline, but this feeling remains temporary and does not transform into a compulsive need. They do not seek to immediately fill this void with another competition or excessive training.
In contrast, the athlete driven by an obsessive passion cannot conceive of stopping. Each performance is a validation of their identity, and their well-being depends on their ability to constantly push their limits. They frantically enter races to avoid feeling empty and maintain a frenetic pace for fear of seeing their performance decline.
Social Media Pressure: An Aggravating Factor
Platforms like Strava have added a new dimension to the obsession with sports. Every performance becomes an object of social validation, scrutinized, commented on, and compared. Athletes no longer run just for themselves, but also to maintain an image within their community. This quest for recognition intensifies the need to constantly perform. Sport ceases to be an inner journey and becomes an external showcase where failure or rest are perceived as weaknesses.
The Consequences of Ultra-Endurance Addiction
Addiction to intense endurance sports is not without consequences:
● Physical: chronic injuries, excessive fatigue, athletic burnout.
● Psychological: anxiety, unstable mood, emotional dependence on effort.
● Social: isolation, tensions with loved ones, loss of interest in other aspects of life.
Withdrawal, when a break is necessary, can be accompanied by symptoms similar to those observed in other forms of addiction: irritability, depressive state, difficulty finding meaning outside of sport.
The Pursuit of Happiness: An Ambivalent Relationship
Studies also raise a crucial question: are ultra-endurance athletes happier because of their commitment? ( https://www.mdpi.com/2075-4663/12/6/149 )
Does ultra-endurance provide lasting happiness? Studies on athletes' well-being show mixed results. While harmonious passion is associated with personal fulfillment, obsessive passion tends to generate stress and dissatisfaction. A striking statistic: 20% of ultramarathon runners show signs of exercise addiction, compared to only 0.5% in the general population. This statistic illustrates the fine line between healthy investment and addictive behavior.
Finding Balance: The Path of Moderation
Ultra-endurance can be a source of profound fulfillment, provided it's part of a balanced life. As Aristotle suggested, wisdom lies in the moderation of passions. A wise athlete knows how to listen to their body, nurture their relationships, and diversify their sources of well-being. In conclusion, ultra-endurance is a fascinating pursuit, but it shouldn't become a destructive outlet. Finding a balance between commitment and letting go is the real challenge for any athlete who wants to make their passion a catalyst for lasting personal growth.
Bibliography
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Freud, S. (1930). Civilization and Its Discontents. Presses Universitaires de France. (Original work published in German in 1930)
Vallerand, R.J. (2015). The psychology of passion: A dualistic model. Oxford University Press.
Vallerand RJ, Deci EL, Ryan RM Validation of the Revised Sport Motivation Scale (SMS-II) Psychol. Sports Exercise 2013
Winnicott, DW 1975. Playing and Reality, Paris, Gallimard.
Writer: Anaïs Chalmel