Registrations for the 4th edition of Big Bear’s Ultra are closed.

Registration is no longer possible.

1st wave – Dec 17, 2025 – Mar 31, 2026

2nd wave – Apr 1, 2026 – Jun 30, 2026

3rd wave – Jul 1, 2026 – Sep 5, 2026

Terms of processing personal data provided during registration are published here (link):

Race rules are published here (link); please read them! By registering, you agree to and accept these rules. Please note that we do not grant exceptions, and any requests for them will not receive a response.