Does altitude training work for amateur runners?

Yes, but a two-week camp gives only a small blood effect. The bigger benefit for most amateurs is a focused training block with more volume, hills and coaching than they manage at home.

How long does altitude training take to work?

Haemoglobin mass rises roughly 1% per 100 hours at moderate altitude, so a clear effect needs about three to four weeks.

What altitude is best for training?

Most research and most elite camps use moderate altitude, about 2,000 to 2,500 metres. Iten in Kenya is at about 2,400 metres.

Why is my heart rate higher at altitude?

Each heartbeat delivers less oxygen in thin air, so the heart beats faster to compensate, often 5 to 15 beats higher for the same pace in the first days.

When should I race after altitude training?

Many coaches race within a few days of coming down or after two to four weeks. For amateurs, plan the camp four to eight weeks before the goal race.

Altitude Training for Runners: Does a 2-Week Camp Work?

Does altitude training work?

The short answer

Yes, but slowly. At moderate altitude (about 2,000 to 2,500 metres) your body makes more red blood cells, roughly 1% more haemoglobin mass per 100 hours at altitude. A meaningful effect needs about three to four weeks. A two-week camp gives a small blood effect, and its bigger value for most amateurs is a focused block of volume, hills and coaching.

When the air is thinner, each breath delivers less oxygen. The kidneys respond by releasing more EPO, which over weeks raises the amount of haemoglobin, the protein that carries oxygen. Back at sea level, more haemoglobin means more oxygen to the muscles, and the same pace feels easier. Elite runners chase this with long stays in places like Iten, Flagstaff, St Moritz and Font-Romeu.

What changes in the first days

Heart rate is higher for the same pace, often by 5 to 15 beats at first.
Pace is slower for the same effort. Easy runs 20 to 40 seconds per km slower are normal.
Breathing feels harder on hills and in fast sessions.
Sleep can be lighter for the first nights.
You dehydrate faster in dry, thin air. Drink more than you think.

How to train in the first week at altitude

First week at 2,400 m

Days 1 to 3: easy runs only, 30 to 50 minutes, by heart rate, not pace.

Days 4 to 7: first quality session at reduced volume, about two thirds of what you would do at home, with longer recoveries.

Week 2: normal structure, still running hard sessions by effort. Your sea-level paces do not apply.

Use your heart rate zones. Our Zone 2 calculator gives your easy ceiling, and at altitude you stay under it even if the pace feels absurdly slow. Most camps, including Kenya Experience, keep the first sessions light for exactly this reason.

How long do you need at altitude?

Stay	What you get
1 week	Mostly acclimatising. Training value, little blood effect.
2 weeks	A small haemoglobin increase plus a strong training block. Typical camp.
3-4 weeks	The classic elite block, a real blood effect.

When to race after altitude camp

There is no single rule and the research is mixed. Many coaches either race within the first few days after coming down, or wait two to four weeks, when the training effect of the block has had time to settle. For amateurs, the simplest approach: plan the camp four to eight weeks before your goal race and treat it as your biggest training block, not as a blood boost.

Before you go

Check your iron. Your body needs iron to build red blood cells. Ask your doctor to check ferritin a few weeks before.
Build hills and volume in the six weeks before.
Go easy on day one. The most common mistake is running the first days at home pace.

The most popular place for amateurs to try it is Iten, Kenya. See running camps in Kenya and our runner's guide to Iten.

Sources: Garvican-Lewis et al., Journal of Applied Physiology 2016 (haemoglobin mass and altitude dose); Wilber, Altitude Training and Athletic Performance (Human Kinetics); traininkenya.com FAQ (8 November 2026). Run Mastery is a running coach, not a doctor. If you have a heart, lung or blood condition, ask your doctor before training at altitude.

Altitude Training for Runners.

Does altitude training work?

What changes in the first days

Run by heart rate, not pace. The method in one book.

How to train in the first week at altitude

How long do you need at altitude?

When to race after altitude camp

Before you go

Does altitude training work for amateur runners?

How long does altitude training take to work?

What altitude is best for training?

Why is my heart rate higher at altitude?

When should I race after altitude training?

Put this guide into numbers.

Train like Iten, at home.

Does altitude training work?

What changes in the first days

Run by heart rate, not pace. The method in one book.

How to train in the first week at altitude

How long do you need at altitude?

When to race after altitude camp

Before you go

Does altitude training work for amateur runners?

How long does altitude training take to work?

What altitude is best for training?

Why is my heart rate higher at altitude?

When should I race after altitude training?

Keep reading.

Put this guide into numbers.

Train like Iten, at home.