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Pain Tolerance, Mental Endurance, and Resilience in Training and Life

  • Dec 30, 2025
  • 5 min read

Swimmer in black cap and goggles doing freestyle in blue water, arm raised with pink nail polish, intense focus, splashes around.

"Pain Doesn't Stop You. Your Interpretation of It Does."

Pain is one of the greatest limiting factors in performance, not because it exists, but because of how the mind interprets it. For runners, athletes, creatives, and anyone pursuing growth, pain becomes a negotiation between discomfort and identity. This article explores the psychology of pain, how mental endurance is built, and why resilience is less about toughness and more about training the brain to respond differently.

Disclaimer: I’m not a licensed professional. This is an exploration of research, psychology, and lived experience, shared for educational and motivational purposes.


Understanding Two Types of Pain: One Builds, One Breaks


Not all pain serves the same purpose. One of the most important skills in endurance training, and life, is learning to distinguish between productive pain and destructive pain.


Productive Pain (Growth-Oriented)

Growth-related pain is temporary, controlled, and purposeful. In physical training, this includes muscle soreness caused by microtears that rebuild stronger tissue when paired with proper recovery.


Psychologically, it includes discomfort from learning new skills, initiating difficult conversations, or pushing beyond familiarity.


This type of pain signals adaptation. Research from the American College of Sports Medicine supports that progressive overload, when applied gradually, leads to long-term performance gains rather than injury.


Destructive Pain (Injury or Harm)

In contrast, destructive pain inhibits progress. This includes physical injury, chronic overtraining, emotional harm, or burnout.


If pain consistently depletes energy, creates fear, or reinforces avoidance, it's no longer constructive.


Understanding this distinction is foundational to resilience.


Man exercises with resistance band in living room, wearing white tank top and black shorts. Neutral colors, sofa and laptop in background.
Resistance bands are a source for recovery, showing how pushing through the right kind of pain can really help build strength and resilience.

Soccer player in red kit lying on green field, holding leg in pain, showing distress. Sunlit, with visible Puma logo on sock.
Destructive pain underscores the dangers of overexertion and egotistical effort. Athletes must balance ambition with self-care to prevent painful outcomes.



Increasing Pain Tolerance: Training the Mind

Pain tolerance is not fixed, it’s trainable through the brain's ability to be flexible. Psychological research shows several methods for increasing tolerance without ignoring safety signals.


Association vs. Dissociation

  • Association involves focusing directly on sensations, breathing, and effort.

  • Dissociation uses distraction, music, visualization, or conversation.


Elite athletes often use both strategies situationally. Studies published in Frontiers in Psychology suggest that associative techniques improve pacing, while dissociative strategies can reduce perceived exertion during moderate effort.


Woman in a blue top with earbuds, gazing at a beach during sunset. The ocean and sky blend in soft hues, creating a serene mood.

Gradual Exposure

Progressive exposure allows the nervous system to adapt. This applies beyond fitness:

  • Public speaking

  • Social anxiety

  • Creative vulnerability


Small, repeatable discomfort builds confidence over time.


Mindfulness Practices

Mindfulness helps individuals observe pain without reacting emotionally. This reduces threat perception and lowers stress responses.



Why Some Push Through and Others Quit

Pain alone doesn’t determine outcomes. Interpretation does.


The Role of the Anterior Midcingulate Cortex


Illustration of a human brain side view, highlighting the anterior cingulate cortex in blue. Text label pointing to the highlighted area.

The Anterior Midcingulate Cortex (aMCC) determines whether you push through or tap out. Research shows higher activation in individuals who persist through discomfort, linking this brain region directly to grit and willful endurance.


The good news?

This isn't genetic destiny. It's shaped by repeated exposure to effort and discipline.


Identity and Meaning

People who tie discomfort to identity (“I am a runner,” “I am disciplined”) experience lower perceived pain. When actions align with self-concept, the brain reframes discomfort as necessary rather than threatening.


This is why declaring your goals publicly matters. When you say "I'm training for a 10K," your brain begins interpreting training pain differently. It's no longer random suffering, it's proof you're becoming who you said you'd be.



Fear-Avoidance and the Trap of Inactivity

Fear-avoidance occurs when past pain leads to subconscious withdrawal. This is common after injury, trauma, or prolonged stress.


The body remembers what hurt it, and the mind builds walls to prevent repetition.


Breaking the Cycle

Cognitive Behavioral Therapy (CBT) is widely used to retrain thought patterns around pain and fear. Even outside clinical settings, CBT principles, challenging beliefs, gradual reintroduction, reframing narratives, can restore confidence.


The longer you avoid what scared you, the bigger it becomes in your mind. The way out is through, slowly, strategically, and with support.


Silhouette of a person leaping between two cliffs against a vivid orange sunset with mountains in the background, conveying adventure.


Environment, Accountability, and Mental Endurance

Resilience doesn’t exist in isolation.


Accountability Systems

External accountability, training partners, public commitments, or content creation, reinforces discipline. Behavioral psychology shows that consistency improves when effort is witnessed or recorded.


This is one reason I film my training and creative work. The camera makes quitting harder. Not because I'm performing, but because I've made my commitment visible.


Environment Design

Your surroundings influence behavior:

  • Creative spaces

  • Training locations

  • Ritualized routines


Environment either reduces friction, or multiplies it.


A black-and-white music studio with a microphone stand, headphones, and wall posters. Visible text: "LET IT BE." Vintage, artistic vibe.


Staying Active While Recovering

Recovery doesn’t mean disengagement.


Mental Reframing

Replacing negative internal dialogue with actionable steps keeps momentum intact. A helpful resource on this topic is the book by Craig Groechel, Winning the War in Your Mind, which explores thought replacement and intentional focus.



Stress Reduction and Stillness

Quiet reflection, meditation, and spiritual grounding reduce cortisol and improve emotional regulation.


Research from Harvard Medical School supports meditation as a tool for stress resilience.


Maintain Enjoyment

Engaging in enjoyable, low-stress activities preserves identity during downtime and prevents disengagement.



The Pain Cave: Mastery Through Mental Training


Courtney Dewaulter in a yellow shirt kneeling on a trail run, adjusting her shoe. Mountainous background under a blue sky. Sunlit scene, relaxed mood.

Elite ultrarunner Courtney Dauwalter famously refers to entering a "pain cave" a controlled mental space where discomfort is acknowledged, not feared.


She describes it as a place she visits intentionally during races, where she examines suffering without judgment. Instead of fighting pain or pretending it doesn't exist, she sits with it. Observes it. Accepts its presence while refusing to let it make decisions.



By intentionally exposing herself to manageable suffering in training, she expands her capacity to endure when it matters most. The pain cave isn't about being tough—it's about being trained.


This is the principle behind every breakthrough: controlled exposure to what you fear builds tolerance. Whether you're running ultras, launching a podcast, posting your art online, or having the hard conversation you've been avoiding, the mechanism is the same.


The lesson is simple but difficult: Train the mind, and the body will follow.


Courtney Dewaulter in blue and white gear, hand on head, excited expression in busy marathon race setting. Crowd and flags in background. UTMB bib visible.



Final Thoughts


Pain will show up. It always does.


But you get to decide what it means, and whether it controls you.


Start small. Pick one uncomfortable thing this week and stay in it thirty seconds longer than you want to. That's where adaptation begins. Not in the moment you quit, but in the moment you stay.


The anterior midcingulate cortex doesn't care about your feelings. It cares about your choices. Every time you choose effort over ease, discomfort over distraction, you're rewiring your brain for resilience.


This is how ordinary people do extraordinary things. Not because they don't feel pain, but because they've trained themselves to interpret it differently.


Ethan Peal in a gym lifting a barbell, wearing a cap and shorts, focused and exerting effort. Exercise machines in the background. Black and white.

RISE. PURSUE. CONQUER.


Sources & Further Reading

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