We recommend you begin this process at least 90 days prior to the day you want to swim. If you are wondering WHY you would want to partner with MBSA for this swim (vs. going at it alone), please read our commitment to your swim.
Plan Your Swim
Review and select your desired swim route.
Monterey Bay offers a variety of swims to challenge all levels of swimmers. Each swim has its own unique characteristics, challenges, and qualifying swim requirements.
If you are new to open water marathon swimming, you may want to start with one of the recommended swim routes (non-sanctioned swims).
If you are an experience ultra-marathon swimmer, check out the two MBSA sanctioned swims.
Intent to Swim
Pilot & Crew
Reserve your pilot boat charter and line up your swim support crew.
AFTER your intent to swim has been accepted; and
BEFORE submitting your application to swim.
MBSA will only sanction swims piloted by qualified pilots and boats. Refer to Pilot Boat Charters for more information.
Refer to TIPS: Selecting Crew for information on selecting your support and safety crew.
Contact MBSA if you have any questions or need support finding a boat/pilot or selecting a crew.