Shop Costco Logo Products and save on promotional products and running gear for 5K races, fun runs, marathons, and more! Make packet-pickup easy with custom logo t-shirts and other branded merchandise. Cool off after the race with rally towels and misting fans, or look cool in stylish sunglasses and functional running belts. Whether you're facilitating the race, running the race, or cheering on your favorite race participants, you're sure to find everything you need to enjoy the event and promote your business. Add your logo or message using our online design tool. Enjoy low minimum quantities on select products. If you are part of a team participating in a 5K race, check out our Team Spirit page for more great promotional ideas!