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Street closures planned for OC Marathon on May 5

Posted on May 1, 2024

OC Marathon 2024 course map

Street closures will be in effect for the OC Marathon on Sunday, May 5, in Santa Ana, Newport Beach and Costa Mesa, from 5 a.m. to as late as 12:30 p.m.

The following street closures are planned in Santa Ana on May 5:

  • MacArthur Blvd. at Raitt Street, both directions
  • Raitt St. northbound from Sunflower to Segerstrom Avenue
  • Alton Ave. in both directions from Greenville to Bear
  • Segerstrom Ave. eastbound from Raitt St. to Fairview
  • Greenville St. northbound from MacArthur Blvd. to Segerstrom Ave.
  • Segerstrom Ave. eastbound from Fairview St. to Harbor Blvd.
  • Segerstrom Ave. eastbound from Harbor Blvd. to Santa Ana River Trail

For more details and to see the full list of street closures, please visit

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