In the Buk-Gu area north of Pohang, it’s possible to do some running along the waterfront. Just north of Odo 1-ri Beach, there’s a coastal road that stretches north for ~4 km. This road accesses several hotels & resorts in the area, as well as Sabang Memorial Park. It’s not a waterfront path per se. But it’s a fairly quiet road, as most of traffic uses the main Haean-ro Road. Some sections are pass through parking or commercial/fishing areas. There are pretty good views of the Sea of Japan most of the way.

Coastal Road. Google Street View

The road starts at the Villard Wave restaurant. Head north, following the road. There are a couple of sections along the main Haean-ro Road, which has a not great sidewalk. This side road peters out after about 4 km. At the ~1.6 km mark, a nice side trip is to take a jaunt around Sabang Memorial Park. This hilly park, opened in 2007, features ~1 km of trails through an open area, with some nice hilltop views.