Ultra-Trail Australia by UTMB is an adventure packed four-day trail running event held in the World Heritage listed Blue Mountains National Park, NSW. One of Australia’s most challenging, stunning and prestigious trail running events. Runners can choose to tackle the 100 kilometre, 50 kilometre, 22 kilometre distance, or the most recent addition to the UTA family, the 11 kilometre. Known as the biggest trail running party in Australia with 7,000+ runners of all abilities making the trek to Katoomba each year to take part in one of the four running events. Friends and families enjoy the action-packed weekend of trail running activities as much as the runners with the opportunity to learn all about trails, gear, nutrition, training, race strategy and more, whilst immersing themselves in the fun, friendly and welcoming trail running community to form new friendships with runners, coaches and brands.