Some very nice running in the Cape Kiwanda area. Some recommendations:
Cape Kiwanda State Natural Area: In Pacific City, some great beach running along Kiwanda Beach with fabulous views out to Haystack Rock. Best at low tide. It’s up to 3.2 miles south to Nestucca Spit. Unique feature: There’s a sand dune hill that can you can run up & down! Note: Parking fee at public lot.
Kiwanda Beach to Porter Point. Lovely, secluded beach for running, From the trailhead at the end of Winema Rd., it’s 0.9 miles north to the mouth of the Nestucca River/Porter Point, or up to 3 miles south to Neskowin.