The world's 4th biggest trail running event, held in the World Heritage Listed Blue Mountains National Park.
Next event dates: 17th to 20th May 2018.
Entries go on sale: UTA100 & UTA951 -13th September 2017 at 10AM Sydney time. UTA50 -14th September 2017 at 10AM Sydney time. UTA22 -15th September 2017 at 10AM Sydney time.