Mark your calendars for Sunday, May 4, for the running of the 21st annual OC Marathon.

Road closures and delays will begin starting at 4 AM throughout the host cities of Newport Beach, Santa Ana, and Costa Mesa, lasting in some areas until 12 PM or later.

Your normal route to church might be affected; click the link below to view the road closure map (the church is in areas 0 and N).

Click here for specific road alternatives.