2021 CAL TRI NEWPORT DUNES - 10.31.21 Beyond the radiant sun, sand and surf, discover the best of Newport Beach, California and the Southern California lifestyle. Attractions include Disneyland Park, Disney California Adventure Park, Newport Beach, Balboa Island, Heisler Park and Knott’s Berry Farm. This is the best tri-cation ever! RACE COURSE. Race headquarters is the Newport Dunes Waterfront Resort, a 110-acre resort located in Newport Beach, Orange County, California. The race begins with a rolling start swim inside the Newport Dunes Lagoon which features a mile of beach front playground typically traversed by swimmers, sailboats and pedal boats. Athletes then transition to a closed course, scenic 8 mile bike circuit which includes the Mountains to the Sea Trail & Bikeway, Upper Newport Bay State Marine Conservation Area and Upper Newport Bay Nature Preserve. Finally, a well supported 5K or 10K run within the Newport Dunes & Back Bay View Park with aid stations every 1 mile.