Siskiyou Out Back (S.O.B.) 50 mile, 50k, and 15k Ultra Marathon Trail Runs

Registration for the 2013 event will open on Friday, March 1st, 2013, at 8:00 am.

PLEASE NOTE: UltraSignup.com is the only method we use to register runners. We do not accept mail entries.

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The S.O.B. Trail Run is an Equal Opportunity recreation provider under Special Use Authorization from Rogue River National Forest.