San Diego is traditionally the last race of the season for H1 Unlimited and Grand Prix America hydroplane tours. “We look forward to getting together again with friends and family in September, in the meantime please stay safe and healthy,” Davies said. Bayfair is one of San Diego’s largest beach festivals with more than 70,000 people annually drawn to Mission Bay for three days of boat racing, barbecue and craft beer festival, and family fun activities.