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We strongly recommend that you pre-register
. We do offer race day registration until the race sells out, but we can't guarantee shirts or shirt sizes for runners who register after January 21
. There's also a discount for those who sign up in advance, so why not save a couple bucks too?
2017 REGISTRATION IS OPEN ON ULTRA SIGNUP
No mail in registration:
Registration for the Ahmanson 12K Trails is by online only. We regret that we can no longer accept paper registrations for this event.
Other Registration NotesBefore you sign up, please be aware that entries are non-refundable, non-transferable to another person, and are non-deferrable to another year!
All previous Overall Champions are entitled to free race entry (subject to 20% administrative fee)
Race day registration is available from 6:00AM to 7:45AM or until race sells out; CASH only, no credit cards or checks please. Space is not guaranteed for race day registration. Shirts and goodie bags are not guaranteed to participants who register after February 12.
Race management reserves the right to refuse entry to anyone, for any reason.
Please read the "Race Rules" and "FAQs" before registering.
In addition to providing your name, address, etc., you will be required to sign a Waiver of Liability; please read the entire waiver before signing.
Completion of your registration will generate an auto-reply to your email account; please check your SPAM folder if it does not arrive in your inbox.
Runners must be 14 y/o or older to run this race.
Awards, medals, shirts must be picked up on race day; they will not be mailed.
The Ahmanson 12K Trails benefits a number of charitable and non-profit entities.