When it comes to breaking swimming records, Gretchen Walsh is like a broken record.But the two-time Olympic gold and silver medalist at the 2024 Paris Olympics came up just short of breaking the world record in the 50-meter freestyle at the U.S. Nationals on Aug. 2 in Irvine, California.The Harpeth Hall graduate won the race in 23.60 seconds, a sneeze shy of the 23.55 she swam June 28.Ive had a great summer in that event already, and its not over yet, Walsh said on the NBC Sports broadcast. This is a great tune-up swim for (Pan Pacific Championships).What other world records does Gretchen Walsh hold?Walsh also holds the world long course record in the 100-meter butterfly (54.33 seconds), and world short course records in the 50-meter freestyle, 50-meter butterly and the 100-meter individual medley.Is Gretchen Walsh the fastest female swimmer in the world?Walsh owns the 16 fastest times in history in the 100-meter butterfly.Paul Skrbina is a sports enterprise reporter covering the Predators, Titans, Nashville SC, local colleges and local sports for The Tennessean. Reach him at pskrbina@tennessean.com and on the X platform (formerly known as Twitter)@paulskrbina.This article originally appeared on Nashville Tennessean: Gretchen Walsh falls just short of breaking own world record in 50 free