runner's high

Something that actually exists. After strenuous exercise endorphines are released creating a "high" feeling. Its not the same as a marijuana type high. Its more of a lightheaded feeling and you cant feel your body alowwing you to run even further. You wont get it if you run 5 minutes. Most feel the effect after 30-40 minutes of hard running.

An addictive side affect from exhausting oneself in a footrace. Usually runners high varies differently depending on the person but it his been compared to an orgasim or being on drugs.

when the endorphins from running kick in and make you feel as though you have done drugs. You become happy, everything is funny and you can't stop laughing! It makes you love to run

A concept runners have come up with to explain to non-runners after being asked for the thousandth time how it is possible to enjoy running

The high you get after a long workout or run.

A supposed "high" attained by release of endorphins during and after high amounts of aerobic activity. Possibly developed in the 1960's as a way to get the drug addicts of the class to exercise. Current research indicates no high is ever achieved via this method, and so can efficiently labeled "Bullshit".