The after-work events take place in Pasadena and San Diego CA, Tempe AZ, San Antonio and Dallas TX and Denver CO. and are hosted by retailers like Lululemon Athletica, Gordon Biersch and the Boulder Running Company. ATRS Recycling will be on hand with Clothing & Shoe Recyclers at the Start Lines to gather any extra layers dropped at the beginning of the course. Participants are encouraged to bring and bag of clothes, shoes and other household textiles to recycle in celebration of Earth Day.