Sweaty Betty - On Your Marks 4" Running Shorts. Color Purple Light Speed Print. Low Stock. On sale for $68.64. MSRP $78.00.. 4.2 out of 5 starsAdd to favorites. 0 people have favorited thisLow StockBrand NameSweaty BettyProduct NameOn Your Marks 4" Running ShortsGenderWomen'sColorPurple Light Speed PrintPrice$68.64MSRP: $78.00Rating4Rated 4 stars out of 5(67)