A Bay Area endurance swimmer is training for a notable feat. Katherine Breed aims to swim the entire length of California's coastline, a distance of approximately 900 miles. This attempt is believed to be a first, as it is estimated that no one has completed this swim before.

Further details about Breed's preparation and the expedition are available from the source. The swim is expected to be a historic achievement if completed. For more information on Katherine Breed's attempt to swim the California coast, readers can refer to the original report from ABC7 News.