Rare and Very Unique Outer Banks Denver Gorilla 2013 Run Guinness World Records Embroidered Polo Size Extra Large. It was 2013, in Denver Colorado where 1,061 people dressed as gorillas ran a 5.6K for charity. This was the largest gorilla run ever, and made it into the Guinness book of World Records! Shirt has a very nice looking embroidered Denver Gorilla Run logo, as well as Guinness World Records embroidery. Polo Shirt is in very good condition. Embroidery is in excellent condition. Shirt could pass off as being new. Has been in a smoke free home. Measurements are: Pit To Pit 22”, and length 31”.