SESKStuff Everyone Should Know
SESK: Stuff Everyone Should Know · sesk.info/ski-altitude-fitness-no-help

Does being very fit protect you from altitude sickness?

No. Fitness does not change your risk.

Start playing free

  1. Yes, athletes never get it
  2. No, fitness does not change your risk ✔
  3. Yes, but only men are protected

Why: Even strong skiers and marathoners can get AMS. What matters is how fast you go up and where you sleep.

Huh, didn't know that: CDC says how you handled altitude on past trips is the most reliable guide for future trips, though it is not perfect.

The dad joke
What do you call a snowman in August? A puddle.
Like this card?
Play the game

References

Answer: No, fitness does not change your risk. Even strong skiers and marathoners can get AMS. What matters is how fast you go up and where you sleep.

  1. CDC Yellow Book: High-altitude travel and altitude illness www.cdc.gov/yellow-book/hcp/environmental-hazards-risks/high-altitude-travel-and-altitude-illness.html
    Training and physical fitness do not affect risk.
    Checked 2026-10-10.

Think this answer is wrong? Tap "Challenge this answer" on the card in the game and tell us why.

Test yourself in the game

Outdoors & CampingA friend's cheek looks frostbitten. Should you rub it with snow?Outdoors & CampingAt about what sleeping altitude does altitude illness become a risk?Outdoors & CampingWhat is the main symptom of acute mountain sickness?

That's stuff everyone should know.