The Oxfam Trailwalker is a charity event that happens in many cities around the world -- Hong Kong being one of them. What happens? The Oxfam Trailwalker is one of Hong Kong's premier fundraising sporting events, challenging teams of four to complete a 100-kilometre trail within 48 hours. Since its inception in 1986, over 100,000 participants have raised more than HK$600 million to support Oxfam's poverty alleviation and emergency relief projects across Africa and Asia, including Hong Kong and mainland China.