Morro Bay residents can expect road closures and delays this weekend. An Ironman 70.3 triathlon will be taking place in and around Morro Bay on Saturday. It will include a 1.2-mile swim in the bay, a 56-mile bike ride up the coast to San Simeon, and a 13.1-mile run through Morro Bay. For a full list of road closures, you can visit Morro Bay CA dot gov.