Police advised residents to avoid Newport-Mesa areas that will be affected by the O.C. Marathon between 5 a.m. and about noon Sunday.
Areas that are expected to be heavily impacted in Newport Beach include Corona del Mar, Promontory Point and Balboa, Linda and Harbor islands, which will be affected from about 5 to 8 a.m., according to the Newport Beach Police Department.
The Balboa Island Bridge will be closed from 5 to 7:45 a.m., and residents are encouraged to use the Balboa Island Ferry during that time, Newport Beach police said.
Other areas in Newport Beach that are expected to be impacted between about 5 and 10 a.m. include Dover Shores and homes along Irvine Avenue.
In Costa Mesa, the Bird Streets and the Performing Arts Center-South Coast Plaza area will be heavily impacted between about 5 and 11 a.m., according to information provided by the marathon.
Also affected will be the Santa Ana River trail, and Mesa Verde and Country Club drives between 5 a.m. and noon, according to marathon information.
Residents hoping to avoid traffic in affected areas can find driving directions on the marathon's website, http://www.ocmarathon.com.
— Lauren Williams