The call was made Sunday after thousands of competitors and race personnel arrived at Kings Beach State Park, on Tahoe’s North Shore, for the planned 6:30 a.m. start.
Former Olympian Andy Potts won the 27.5-mile Escape from Alcatraz Triathlon Sunday for a record sixth time as more than 2,000 people swam from Alcatraz Island, rode bikes and ran through San Francisco, a spokeswoman said.
The event, which normally includes a swim in the Uvas Reservoir near Morgan Hill, can’t be held there because the water level is too low.
A San Francisco triathlete has been arrested in connection with a hit-and-run collision in the South of Market area that injured a 53-year-old man in March, San Francisco police said Friday.
More than 700 women are expected to participate Saturday in the annual See Jane Run triathlon in Pleasanton. But there are concerns about water quality in the lake where the swimming portion takes place.