Changes

When using altitude training [[Altitude Training]] such as [[Intermittent Hypoxic Exposure]] to improve sea level performance, the general advice is to terminate training a 4-7 days before competition. However, this is based on anecdotal evidence rather than scientific study.

Altitude acclimatization generally takes 1-2 weeks, with 4 weeks as the recommended minimum to achieve benefits. It is commonly advised that if you can't arrive in time to acclimate to the altitude, it's best to arrive at altitude as close to the time of competition as possible. This is based on the mistaken belief that there is a period of negative impact from a short period at altitude, but the evidence contradicts this and it's best to arrive as early as possible, even if that's only a day or two before the competition. However, competing at altitude without doing some type of altitude training [[Altitude Training]] is foolish, as [[Intermittent Hypoxic Exposure]] systems such as [[AltoLab]] are cheap and easy to use.