Would you run faster in lower air pressure?

In summary, although aero drag is not the limiting factor for speed, it can have a small effect on the speed of a human. At high altitudes, the lack of oxygen can have a negative effect on an athlete's performance.
  • #1
sugaJ
7
0
i was just thinking recently and thought that since drag is caused by a body colliding with air particles. It would be logical to think that when there is relatively lower air pressure, there would be less particles to run into, therefore less drag, and therefore you would run faster.
 
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  • #2
Not really, aero drag isn't that important at the speeds humans can run at. Basically is not the limiting factor for speed.

Strictly speaking yes, less aero drag means that you should be able to run faster, however the benefits are likely to be negligable.
However! If you are talkuing about less air, then people wouldn't be able to run as fast, less air means less oxygen. It's why althletes specifically do altitude training, to overcome the prople of altitude.
 
  • #3
A tiny fraction of a second can make the difference between winning a race or breaking a record.Athletes who wear streamlined clothing are given an advantage.
 
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  • #4
It is not a new question; but there is no clear answer.
You should be able to find lots of information about this by googling "1968 Summer Olympics".
(which took place in Mexico City, 2000 m above the sea).
 
  • #5
I think if you go by # of world records for the sprints you see they mostly come from European tracks. And they are not high altitude. I think the sprinters and biophysicists have homed in on certain tracks due to their hardness and traction at certain temperatures. I will assume we are not talking about long races like marathons. Fast times clearly come at moderate temperatures 50 to 60 F on courses that are fairly straight and fairly flat to slightly downhill without a lot of variation. Lots of variables that are mostly technique, and track with a good dose of human physiology assuming we pick the right track for sprints. Oxygen would clearly be a concern at high altitude, even for the shorter races.
 
  • #6
pgardn said:
Oxygen would clearly be a concern at high altitude, even for the shorter races.
Races less than about 400m are anerobic - you are burning energy in the muscles. At 800m it' about 50/50 aerobic/anerobic - in a 100m it's a waste of energy to breathe.

Most records aren't set at altitude - but this is partly because most premier tracks aren't at altitude, the same could be said for latitude - most places near the equator don't have expensive stadiums attracting world class athletes.
On paper it doesn't look like air density has a significant effect on speed (except perhaps for long jump?) but it might have a psychological effect for an individual athlete.

There is another real but separate effect - if you train at altitude with reduced oxygen (and ideally if you can arrange for a few 1000 generations of your ancestors to do the same) then compete at sea level you do have an advantage in aerobic (endurance) events.
 
  • #7
pgardn said:
I think if you go by # of world records for the sprints you see they mostly come from European tracks. races.

I am pretty sure that is mainly because the vast majority of international races take place in Europe (which in turn is because Europe is the only place where Athletics is a big sport at the professional level). There are virtually no big events (comparable to Golden League etc) anywhere else in the world (to be honest I can't think of a single one; with the expception of some Marathons).
Hence, the only time you are likely to see a world record broken anywhere else is during the summer olympics or the world championships.
 
  • #8
mgb_phys said:
Races less than about 400m are anerobic - you are burning energy in the muscles. At 800m it' about 50/50 aerobic/anerobic - in a 100m it's a waste of energy to breathe.

Most records aren't set at altitude - but this is partly because most premier tracks aren't at altitude, the same could be said for latitude - most places near the equator don't have expensive stadiums attracting world class athletes.
On paper it doesn't look like air density has a significant effect on speed (except perhaps for long jump?) but it might have a psychological effect for an individual athlete.

There is another real but separate effect - if you train at altitude with reduced oxygen (and ideally if you can arrange for a few 1000 generations of your ancestors to do the same) then compete at sea level you do have an advantage in aerobic (endurance) events.

No doubt about training at altitude and then coming down for longer events. There are clear physiological effects. Sprinting is still not well understood though. Myoglobin, which stores oxygen actually might be important in sprinting and the concentration might be reduced at higher altitudes. But I have also seen studies that say myoglobin is not important in sprinting.
I think this is debate is still up in the "air". No running event is totally anaerobic. I also think premeir tracks might be at altitude if it actually made enough difference. imo if someone thought they could break Bolt's record at altitude, they would make a track at altitude.
 
  • #9
apparently you run fastest if your name is bolt.
 
  • #10
I think we could match him in the 100m fall off a building.
 
  • #11
hes so skinny there may be less drag on him and he'd still beat you by a hair ;)
 
  • #12
I might be round though...
Or maybe pear shaped.
 
  • #13
trini said:
apparently you run fastest if your name is bolt.

Am I the only one that finds his name ironic?
 

FAQ: Would you run faster in lower air pressure?

Would running in lower air pressure improve my speed?

No, running in lower air pressure would not improve your speed. In fact, it may actually hinder your performance. When air pressure is lower, there is less oxygen available for your muscles to use, which can lead to fatigue and decreased performance.

How does air pressure affect running speed?

Air pressure affects running speed by impacting the amount of oxygen available for your muscles to use. When air pressure is lower, there is less oxygen available, which can lead to fatigue and decreased performance. Higher air pressure can also create more resistance, making it more difficult to run at faster speeds.

Is it easier to run faster at higher altitudes?

No, it is not easier to run faster at higher altitudes. While there is less air resistance at higher altitudes, there is also less oxygen available for your muscles to use. This can lead to fatigue and decreased performance, making it more difficult to run faster.

Can you train your body to run faster in lower air pressure?

No, you cannot train your body to run faster in lower air pressure. While altitude training can improve your body's ability to use oxygen more efficiently, it will not change the amount of oxygen available in the air. Your performance will still be impacted by the lower air pressure.

Are there any benefits to running in lower air pressure?

There are no significant benefits to running in lower air pressure. While there may be less air resistance at lower air pressure, this will not necessarily result in faster speeds. In fact, it may actually hinder your performance due to the decrease in oxygen available for your muscles to use.

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