Ultra-Trail Mt. Fuji (UTMF) is one of the most popular 100-mile trail races in Japan and is one event in the Ultra-Trail World Tour. In collaboration with UTMF 2019, we conducted a T-shirt recycling project, opening a BRING^™ booth at the race venue where we collected unneeded athletic wear from attendees. Further, the body of the official T-shirt for this event was a BRING^™ T-shirt.