Mental toughness is not a personality trait you either have or don’t.
It is a skill. And like every other skill worth having, it is built through deliberate practice — not wishful thinking, not motivational quotes, not watching videos of Navy SEALs doing hard things.
The good news: you do not need to attend BUD/S to develop the mental capacity that makes hard things feel manageable. You can build it in the gym, in your daily routine, and in the way you approach discomfort on an ordinary Tuesday.
Here are three mental exercises and three physical exercises that will do exactly that — if you actually do them.
3 Mental Toughness Exercises
1. Remove Your External Motivators
Picture two scenarios.
Scenario A: You arrive at your gym in the morning, rested, headphones in, training partner ready to push you, perfect conditions.
Scenario B: After a long, grinding day at work you grab a sandbag and a pair of kettlebells, head to an empty park in the heat, no music, no training partner. Just you and the work.
Most people choose Scenario A every time. That is fine — Scenario A produces good training.
The question is whether you could ever choose Scenario B.
Because the real test of mental toughness is not how you perform when conditions are perfect. It is what you do when every external motivator has been stripped away and the only thing left is whether you actually want it.
Those internal voices get loud fast when no one is watching: “No one will know if you quit.” “That old injury is flaring up.” “One missed session won’t matter.”
Getting comfortable with those voices — hearing them, acknowledging them, and training through them anyway — is one of the most valuable things you can do. Not forever, not every session. But regularly enough that the voices lose their power.
Strip away the comfortable conditions occasionally. Train alone. Train in bad weather. Leave the headphones at home. You will learn more about your mental limits in one session like that than in months of perfect-condition training.
2. Build Habits That Don’t Depend on Motivation
Motivated people are consistent. But mentally tough people are consistent even when they’re not motivated.
That distinction matters because motivation fluctuates. You will have weeks where everything clicks and training feels easy and natural. You will also have weeks where everything is hard, life is heavy, and the last thing you want to do is train. The gap between those weeks is where mental toughness is either built or eroded.
Habits close that gap. When the behavior is automatic — when showing up is just what you do on Monday, Wednesday, and Friday regardless of how you feel — motivation becomes irrelevant. You do not need to negotiate with yourself about whether to train. The decision was already made.
This is not complicated to understand and it is genuinely hard to execute. Start smaller than you think you need to. One habit, built into one consistent time slot, done for 30 days before you add anything else. The small steps to greatness approach works precisely because it is too small to argue with — and that is the point.
3. Learn to Ignore What You Cannot Control
Ryan Holiday’s The Obstacle is the Way draws on Stoic philosophy to make a deceptively simple argument: it is not what happens to you that matters, it is how you respond to it.
You have complete control over your response to any situation. None over the situation itself.
This is easy to nod at and hard to practice. The Stoics knew this — which is why they treated it as a daily practice, not a one-time insight. If you want a practical entry point into applying Stoicism to everyday life, Tim Ferriss has published a solid primer on his blog titled Stoicism 101: A Practical Guide for Entrepreneurs that is worth reading.
The practical application for training: bad sessions happen. Bad weeks happen. Injuries happen. Programs do not go as planned. None of those things define your trajectory unless you let them. The mentally tough response is to assess what you can control, adjust, and keep moving — not to catastrophize, not to quit, not to spend energy on what you cannot change.
3 Physical Toughness Exercises
Most of us live comfortable lives. Which means most of us need to deliberately seek out physical discomfort to build mental resilience. The gym is the safest, most controllable place to do that.
1. Ruck
The Roman Legionnaires covered more than 35 miles per day under roughly 28 pounds of weapons and armor. Modern airborne infantry in Afghanistan have carried up to 127 pounds depending on mission requirements.
You carry a padded gym bag to your car a few times a week.
Rucking — loading a pack and walking for extended time — is one of the most underrated mental toughness tools available because it is simultaneously unglamorous and genuinely hard. It strips away the metrics that let you game effort in the gym. There is no PR to chase. There is just time under load and distance covered.
Leave the headphones at home. Get comfortable with your thoughts. Go farther than is comfortable.
If you want accountability and a shared suffer session, GORUCK events are the best version of this — a team of like-minded people paying good money to be pushed to their limits over 12+ hours. I have completed seven of them. They are the hardest things I have done since leaving the military, and they are worth every bit of it.
Two practical benefits worth noting: rucking is excellent for fat loss (sustained low-intensity movement adds up), and you do not need fancy equipment — a backpack with weight plates or bricks works fine to start.
2. Farmer Carries
Simple, brutal, and effective.
Pick up two heavy dumbbells or kettlebells and walk as far as you can without putting them down. Half a mile to a mile. Your grip fails. Your traps burn. Your posture fights to hold. And all of that is happening while your brain is negotiating hard for you to set them down.
Refuse. Keep walking.
Variations to keep it interesting:
- Two equal dumbbells (classic)
- One heavy, one lighter (uneven load forces core stabilization)
- Single arm suitcase carry
- Double sandbag carry without handles (destroys grip faster)
Add these to the end of a training session when you are already fatigued and the mental challenge compounds significantly.
3. Hanging
Find a pull-up bar. Grab on. Hang.
That is the entire exercise.
Hanging from a bar has legitimate physical benefits — shoulder decompression, grip strength, scapular health. But the mental component is what matters here. A timed hang, pushed to its limit, is surprisingly demanding. The urge to let go starts earlier than you expect. Ignoring it and staying up is the practice.
A simple starting protocol:
- Find a pull-up bar
- Start a clock
- Overhand grip, full hang
- Accumulate 60 seconds of total hang time in as few sets as possible
Too easy? Add time, go one-handed, or mix your grip. The goal is to find the edge of uncomfortable and sit there for a while.
The Hard Daily Routine
A bonus that ties everything together.
Pick one simple exercise and do it every day for 30 days. No matter what else you train that day. No matter how busy or tired you are. It gets done.
Past examples that have worked well:
- 200 meters of walking lunges every day for 30 days
- One mile run, every day, for two months
- 350 kettlebell swings per day for 30 days
The exercise is almost irrelevant. The point is the commitment — and watching what happens when your hard routine eventually becomes just another routine. That shift in your relationship to difficult work is the whole game.
If you want these turned into a structured plan you can follow and track, I put together a free guide — 10 Workouts to Improve Mental Toughness — with the exercises above organized into sessions built around this exact approach.
Keep Going
Mental toughness is built through practice, not inspiration. Every session where you show up when you did not want to, push through when the voices said stop, or choose discomfort over comfort is a deposit in the account.
The account compounds.
If the mental side of training is something you want to develop systematically, can mental training improve performance covers the research on visualization and self-talk — practical tools that pair directly with the physical work above. And if you want to understand the motivation piece at a deeper level, the 4 pillars of athletic success is the right companion piece.
The work is simple. Doing it consistently is the hard part. That is always the hard part.