The Milliken Earth Run is an annual event held at the Roger Milliken Research and Customer Center in Spartanburg, SC. Participants navigate a cross-country course through the Milliken Arboretum, known for hosting significant competitions. The event emphasizes environmental stewardship, reflecting the values of Milliken & Company, and offers awards across various age categories. It draws a community of runners focused on health and environmental awareness. Registration is required, with options for event shirts and a scheduled packet pickup on the day of the event.