A question often asked of ultrarunners is, ‘What do you think about all that time?’ When we’re out on the trails for multiple hours, facing physical fatigue and mental resilience, mental resilience can be an essential tool for keeping ourselves motivated and understanding our race.
Cognitive Dissonance and Mind Games
Runners often face a mental battle between the body’s screams for rest and the mind’s determination to keep going. At this point, the mind can distort reality, convincing the runner that the finish line is much further away than it is or, conversely, that they can push through any obstacle.
Some ultrarunners report hallucinations or altered perceptions—such as seeing things that aren’t there or experiencing time distortions. These can be caused by exhaustion, dehydration, or lack of sleep, leading to a breakdown in cognitive clarity.
At mile 50, physical discomfort and pain are inevitable. The psychological ability to tolerate, compartmentalise, and even embrace this pain can be critical in finishing the race. Many ultrarunners describe a heightened sense of self-efficacy and personal strength. After mile 50, mental toughness allows them to shift their focus away from the pain and concentrate on small milestones (like reaching the next aid station).
Ultramarathons that last longer than 24 hours or involve night-time running can lead to significant sleep deprivation, impairing cognitive function. At mile 50 and beyond, the brain’s ability to focus diminishes, and many runners experience memory lapses, disorientation, or hallucinations.
The combination of exhaustion, dehydration, and prolonged physical exertion can result in vivid hallucinations. Runners may see people or objects that aren’t there, adding an element of surrealism to their journey.
The ‘Runner’s High’ and Emotional Shifts
Ultramarathon runners often experience what’s referred to as a “runner’s high,” a state of euphoria where endorphins and other neurochemicals flood the brain. This can create feelings of elation and transcendence, masking fatigue. The high can be followed by emotional lows (such as doubt, frustration, or even tears), often referred to as “the wall” or “the dark place.” Runners may swing between elation and despair multiple times throughout the race, but the ability to ride these emotional waves is key to survival past mile 50.
Some runners report entering a “flow state,” where they lose track of time and space, moving with effortless ease. In this state, the mind can be in an almost meditative zone, where the rhythm of movement and deep focus overshadows physical fatigue.
After mile 50, many runners narrow their attention to only the next immediate task, like “just make it to the next aid station” or “run to that next tree.” This helps to prevent overwhelming thoughts about the long distance remaining.
Isolation and Loneliness
Ultramarathons, especially in remote locations, can be very isolating. Runners might experience profound loneliness or feel disconnected from others, only to snap back to reality through interactions with fellow racers or aid station volunteers.
Many ultra-distance runners rely heavily on their support crews to maintain mental stability. This support can include encouragement, logistical support, or a sense of camaraderie. Runners who lack strong crew support may struggle more with their mental game.
Time Distortion and Mental Fatigue
As physical fatigue sets in, the perception of time can warp. Hours may pass in what feels like minutes, and vice versa. Some runners may struggle with the sensation of “foreverness,” where the race feels endless. Beyond mile 50, mental fatigue can interfere with problem-solving, decision-making, and memory. Tasks that seemed easy early in the race, like remembering where to turn, may become significantly more complicated.
Purpose Beyond the Race
Many ultrarunners draw on deeper personal or philosophical motivations at this stage, such as a desire to prove something to themselves, honour a loved one, or overcome a personal struggle. These motivations can provide a surge of energy when physical resources are depleted.
Some runners report a sense of spiritual clarity or deep connection with nature during ultramarathons, especially in the later stages. The isolation, physical strain, and sheer determination often result in what many describe as transcendent moments, where they feel connected to something larger than themselves. Beyond the physical challenge, some ultrarunners experience a deep sense of purpose, connecting the race to life’s broader struggles. The metaphor of an ultramarathon often mirrors personal struggles, and crossing the finish line represents overcoming adversity in life itself.
Coping Mechanisms for Fatigue
Many ultrarunners use mental strategies, such as repeating mantras (e.g., “I am strong,” “This will end soon,” etc.) or visualising themselves crossing the finish line to stay motivated. Runners may distract themselves with pleasant memories or envision an exciting reward to stave off mental breakdowns. Others reframe the pain by focusing on how it will contribute to personal growth and a sense of accomplishment.
Beyond endorphins, releasing dopamine from achieving small victories or overcoming difficult moments can boost morale. For example, getting past a particularly tough hill or aid station provides a momentary surge of motivation.
The psychological benefits of completing an ultramarathon last well beyond the race. Runners often feel renewed confidence, an enhanced belief in their capabilities, and a deeper appreciation for life’s challenges.
The mental game after mile 50 is a delicate balance of persistence, strategy, and mental resilience. Ultramarathon runners must push through cognitive distortions, emotional lows, and physical pain, drawing from their inner reserves to keep going. Understanding these mental processes offers insight into endurance running and the human capacity for perseverance and triumph in the face of extreme challenges.

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