Must meet custom qualifier requirements within the qualification window
Must meet one of: (1) completed Lake Biwa 100 in 2022–2024; (2) completed a trail running race of 100 miles or more since 2022; (3) UTMB or ITRA performance index of 450 or higher in the 100M category as of time of entry. Must be 18 or older on race day. Elite invitation available for runners with UTMB Index above 840 (M) or 720 (F).
