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Registration for the November 12, 2017 Monterey Bay Half Marathon is NOW OPEN.

(Formerly known as the Big Sur Half Marathon on Monterey Bay.)

To register for the 2017 Monterey Bay Half Marathon, Pacific Grove Lighthouse 5K or By-the-Bay 3K, click on the "Register Online" button below. Beginning at 9 AM PDT on April 3, 2017 it will take you to Active.com.

Prior to registering, please review some registration instructions that will help make this process easier by clicking HERE.

Register Blue

To confirm your entry, click on the box below. If you are under age 18 or you unclicked the box allowing your information to be searchable at Active.com, your name will not appear on the confirmation page. Once bib numbers have been assigned in mid-October, you can look up your bib number on our mobile app. To download the app, search for BSIM Events by Racemine.

Entry Confirmation Button

For detailed information on all events, please visit the Event Information link on the home page and then choose the event you are interested in.

If you experience a problem registering online, contact Active.com at  877.228.4881  877.228.4881 .  For other registration concerns or questions, email sally@bsim.org.

In consideration of the environment we do not offer a paper entry form. If you have to pay using a check or money order, please call  831.625.6226 or email sally@bsim.org and we will advise you on how to proceed.  There will be an additional $8 fee (Half Marathon) or $2 (5K) for processing this request.