By RunDoyen.
Featuring coaching insights from Nico Montañez.
RunDoyen connects runners with expert online running coaches and race-focused training plans built around real goals, real schedules, and long-term progress.
TL;DR
- Altitude training often requires a new pace baseline because familiar efforts can feel significantly harder at elevation.
- Avoid judging an altitude session by what the same pace would mean at sea level.
- A practical benchmark discussed for an altitude block is at least three weeks, or about 21 days, while recognizing that runners adapt differently.
- Hydration deserves additional attention in dry, high-elevation environments.
- Mental resilience is less about preventing negative thoughts and more about noticing them, getting curious, and redirecting attention sooner.
- A difficult workout can be useful information without becoming a verdict on your fitness.
If you want individualized guidance for adjusting workouts, expectations, and race preparation around your own circumstances, you can get matched with a RunDoyen coach.
Table of Contents
- Why altitude training can change your normal training baseline
- A five-step framework for adapting to altitude
- Mental barriers: focus on your response, not the first thought
- What to do when a workout goes sideways
- Common altitude training mistakes
- Safety and when to get help
- Bringing the lessons back to everyday training
Why Altitude Training Can Change Your Normal Training Baseline
One of the first challenges of altitude training for runners is deceptively simple: the paces you know may no longer feel the way you expect them to feel.
A runner who feels comfortable at a certain pace closer to sea level may arrive at higher elevation and discover that the same number suddenly requires much more effort. Trying to force the old pace can create frustration before the training block has had time to do its job.
The more useful approach is to establish a new baseline.
Nico Montañez described roughly one mile above sea level, or more than 5,000 feet, as a practical reference point where runners can expect meaningful differences. At that elevation, the thinner air creates a new demand, and he described the body responding over time by increasing red blood cell production.
The key training lesson is not to turn every run into a conversion exercise.
Instead of finishing a workout and immediately asking, “What would this pace have been worth at sea level?”, pay attention to what the workout required where you actually performed it.
Your body is responding to the environment you are in, not the environment you wish you were in.
That principle fits naturally with race-specific preparation too. Runners working across different events can use the RunDoyen training plans hub as a reference for how broader training structure changes across goals and distances.
A Five-Step Framework for Adapting to Altitude
Altitude training becomes easier to manage when the goal is adaptation rather than immediate proof of fitness.
1. Establish your current baseline
Your normal pace from lower elevation is not necessarily your useful starting point at altitude.
Use the first part of the training block to notice what effort feels sustainable now. If that means running slower than usual, that slower pace is not automatically a problem. It is information about your current environment and current response.
2. Stop trying to translate every workout
A common mental trap is constantly calculating what an altitude pace would supposedly mean somewhere else.
That keeps attention on comparison instead of training.
A more productive question is: Did the effort accomplish what this session needed to accomplish today?
The goal is not to win an argument with your watch. The goal is to train consistently enough for adaptation to occur.
3. Give the block enough time
Montañez suggested at least three weeks, or approximately 21 days, as a practical minimum for an altitude stint when a runner has the ability to spend that much time there.
He also noted that runners may begin noticing changes as they move into the following week.
That is not a guarantee that every runner will follow the same timeline. Individual response matters. The useful takeaway is that altitude training should be thought of as a block, not as a single hard run followed by an expectation of immediate improvement.
4. Treat hydration as part of the training
Higher-elevation environments can also be dry, which makes hydration an important part of the adjustment.
Rather than treating drinking and fueling as separate from training quality, consider them part of the overall training environment. RunDoyen’s guide to nutrition for runners provides additional context on hydration, fueling, and recovery habits.
5. Review what happened with curiosity
The physical adjustment is only half of the challenge.
When a run feels unexpectedly difficult, avoid turning the first explanation into a permanent conclusion.
Instead, ask questions.
Was the previous hard session more demanding than expected? Was recovery different? Did the environment make the effort feel unfamiliar? Is the body simply still adapting?
Curiosity keeps a hard day from becoming an identity statement.
Mental Barriers: Focus on Your Response, Not the First Thought
One of the most useful mindset lessons for runners is that negative thoughts do not have to disappear before good training can happen.
Thoughts such as “I cannot hold this,” “this workout is going badly,” or “I should be faster than this” can show up even during high-level training.
The important distinction is what happens next.
Montañez described the skill in terms of reaction time. The first negative thought may arrive automatically. The runner still has some control over how much attention that thought receives.
That means mental toughness is not necessarily an endless internal pep talk.
It may look more like this:
You notice the thought.
You recognize the current situation.
You decide what is still controllable.
Then you return attention to the task.
That is a much more sustainable approach than pretending every difficult moment feels positive.
It also connects with the larger idea of focusing on who you are becoming through training. Times and places matter to runners, but they are not always fully controllable. Weather changes. Competitors behave unpredictably. Workouts do not always unfold as planned.
Process gives the runner something closer to home to manage.
RunDoyen’s broader guide to mental toughness for runners explores this type of mindset work in more detail.
There is also value in occasionally noticing what happens when a run is not filled with constant distraction. Paying attention to breathing, cadence, ground contact, effort, and recurring thought patterns can reveal things that are easy to miss when attention is always somewhere else.
You do not need to eliminate music, audio, or other forms of entertainment to train well. The more useful question is whether you can still be present enough to notice what your body and mind are telling you.
What to Do When a Workout Goes Sideways
A difficult workout provides one of the clearest opportunities to practice this approach.
Montañez described a session in which the first third went approximately as expected. After that, the perceived effort rose sharply, and the remaining two-thirds became much more difficult than anticipated.
The planned times were not there.
Instead of forcing the pace simply because it was written down, he accepted where his body was that day and completed the session on the terms that were available to him.
The important part came afterward.
Rather than treating the workout as proof that his fitness had disappeared, he became curious about it. He considered whether another training day had been too demanding, whether recovery had been sufficient, and what the session might reveal about his current state.
That is a useful distinction for any runner.
There is a difference between adjusting because the day requires it and giving up because the workout does not match the picture you had in your head.
There is also a difference between continuing through ordinary training difficulty and continuing when something may be physically wrong.
When healthy, finishing an adjusted session can reinforce resilience. When pain or injury is involved, the decision changes.
A simple post-workout review can help:
- What did I expect from this session?
- What actually happened?
- When did the effort change?
- What was still within my control?
- What can I learn without turning one workout into a larger story about my fitness?
Writing those observations in a training log can make recurring thought and training patterns easier to recognize.
Common Mistakes With Altitude Training
- Trying to preserve sea-level pace immediately. Familiar numbers may carry a different cost at altitude, especially early in the adjustment.
- Comparing your adaptation with another runner’s. Two athletes arriving at the same elevation may not respond in exactly the same way.
- Turning every slower workout into a fitness judgment. Altitude creates a different training demand. Pace alone does not tell the whole story.
- Expecting adaptation after only a few days. The practical framework discussed here treats altitude as a multi-week block rather than a quick performance trick.
- Ignoring hydration. Dry conditions can make hydration a more noticeable part of the training routine.
- Letting one difficult session define the week. Review what happened, make the appropriate adjustment, and keep the workout in context.
- Staying attached to a negative thought too long. The mental skill is not preventing every doubt. It is redirecting attention sooner.
- Forcing completion when something is actually wrong. Resilience and stubbornness are not the same thing.
Runners who repeatedly struggle to distinguish productive stress from too much accumulated load may also find RunDoyen’s overview of overtraining in running useful for understanding the broader training picture.
Safety and When to Get Help
Altitude training should not become a reason to ignore warning signs.
The coaching principle here is straightforward: pushing through an ordinary difficult workout is different from continuing when you may be hurt.
If discomfort suggests that something is injured or damaged, completing the workout simply for the sake of completion is not the goal.
General guidance: Unusual or severe symptoms at altitude, persistent pain, or symptoms that make normal running feel unsafe are reasons to stop the session and seek appropriate professional guidance rather than trying to solve the problem through willpower.
The same principle applies to training load. A runner who is consistently unable to recover, repeatedly sees workouts deteriorate, or notices a pattern of worsening symptoms should treat that pattern as information worth addressing.
Mental resilience works best when it is paired with good judgment.
Bringing the Lessons Back to Everyday Training
Altitude makes these lessons obvious because it can quickly expose the gap between expectation and current reality.
But the same framework applies almost anywhere.
You may encounter a workout that feels inexplicably difficult at sea level. You may start a marathon block and discover that the mileage you expected to handle is currently too aggressive. You may watch another runner complete a great workout and wonder why your own training does not look the same.
The useful response is similar:
Establish where you are.
Pay attention to the current demand.
Stay curious.
Adjust without turning the adjustment into a judgment.
Then keep building.
That combination of physical patience and mental flexibility is one of the most transferable skills in distance running.
If you want to compare different coaching approaches for building that kind of individualized training structure, you can browse RunDoyen coaches.
FAQ
How high do you need to be for altitude training to matter?
A practical reference discussed here is roughly one mile above sea level, or more than 5,000 feet. Individual runners can respond differently, so this should be treated as a useful coaching benchmark rather than a universal cutoff.
How long should runners train at altitude?
A practical recommendation from the source conversation was at least three weeks, or approximately 21 days, when a runner is intentionally completing an altitude block. Individual adaptation timelines vary.
Should I try to run my normal pace at altitude?
Not necessarily. One of the main coaching recommendations is to establish a new baseline instead of forcing the pace you normally run at lower elevation. Effort and adaptation are more useful early signals than preserving a familiar number.
Why can altitude training feel mentally difficult?
Altitude can make familiar paces feel unexpectedly hard. That difference creates a natural temptation to compare, judge, or assume something has gone wrong. The mindset skill is noticing those reactions and returning attention to what can be controlled.
What should I do if an altitude workout goes badly?
First separate ordinary difficulty from possible injury. If you are healthy, review what happened with curiosity. Consider your expectations, prior training, recovery, and how effort changed during the session. One bad workout does not need to define the rest of the training block.
Is hydration more important when running at altitude?
Hydration was specifically emphasized because high-elevation environments can be dry. Runners should treat hydration as part of the overall adjustment rather than as an afterthought.
Can running without music help with the mental side of training?
It can provide an opportunity to notice breathing, cadence, effort, and recurring thoughts more clearly. That does not mean runners need to stop using music or other audio. The useful goal is maintaining enough awareness to recognize what is happening physically and mentally.
How can an online running coach help with altitude training?
An online running coach can help interpret workouts in the context of the athlete’s normal training, current environment, race goal, recovery, and individual response. That can be especially useful when familiar pace targets need to be adjusted without losing the purpose of the training block.
