Run,wash hair,rinse or wash hair,rinse,run,Or wash ,rinse,and then Run?

So basically I'm going to jump on the treadmill today and was wondering if i should wash my hair before after or what?
updated by @jonathan-gonzalez: 01/13/15 09:04:51PM

wasgh when you wanna wash dunno why it atters wether its b4 or after if u have a crappy diet and stinky sweat then after for sure

if u have a good diet sweats just salt water no toxic crap from your diet so wont stink

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My new book Ban The Taboo Vol 1