The on line registration fee is the following: Ultra Trail delle Orchidee: € 100,00 + € 50.00 deposit for the GPS that will be returned upon return of GPS. Entry will open on 1 January 2018 and will close on reaching the predetermined number of participants or at the end of the 24th of July 2018. On-line registration click here . The number of competitors is limited; should there be a higher request than the number of places available, a waiting list shall be created and any possible increase or decrease of the maximum number of participants will be at the sole discretion of the organization. .