NEW CLUB SHIRT for Fifty States Half Marathon Club members, to work on their 100 Half Marathons Challenge journey! Paint in the number after completing each half marathon toward their 100 Half Marathons goal!!!!! More colors available at club store. Available to select our 50 States Map Back to paint in, OR this NEW 100 Half Marathons shirt back design! Just click on the shirt you want to purchase at our club store, choose size, color and which map back you want. We're offering the 100 Half Marathon Challenge map back on ALL our technical shirts, ALL Poly T-shirts, and ALL Jackets (club jacket, wind-rain jackets, and the performance soft shell vest). Click Club Online Store top right.