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2.
When, in Alpine ski Racing, an athlete gets some from of sexual action, usually sex, the night before a race. It is proven by ESPN's Sport Science that it will bring an advantage to athletes the next day. Females actually benefit more than men!
"Got my racers edge last night. Pretty hot chick, good sex... I'm ready to go!
by Pistenchef November 15, 2011
 
1.
The competitive edge given to any athlete (although most frequently a ski racer) after having sex either the same day or the night before a competition.
Hey bro, did you hear about Lauren D.? Yeah, she totally got her Racer's Edge last night from that guy on the other team.
by Squawsucker January 14, 2012