thumb|Oxfam Trailwalker (Hong Kong) logo. thumb|End point of 2011 Hong Kong|HK Trailwalker 2011
thumb|Oxfam Trailwalker (Hong Kong) logo. thumb|End point of 2011 Hong Kong|HK Trailwalker 2011
Trailwalker and the related Trailtrekker are fundraising endurance events conducted across the world by Oxfam and The Gurkha Welfare Trust (Trailwalker UK). Teams of four competitors must complete a course of in a set time limit - typically between 24 and 48 hours. The routes may be point-to-point or follow a circular route returning to the start.
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).