Utmb 2024 Registration Page. In this year’s edition, utmb shares staggering registration. Select the event you're interested in.

The following timetable is in place for the 2025 registration and lottery: Registration will be open to the runners with a valid utmb index only from 20 june 2024 at 10:00 (gmt +7), until 22 june 2024 at 9:59 (gmt +7).