from japan. the domination continuing for the u.s. being the fastest men in the pool. it was caleleb dressel getting the guys out first and fast. putting into use all the training he did andin his trains garage. off to a significant lead. the u.s. men have won this event 10 of the 13 times! americans facing some setbacks, too. katie ledecky stunned by arianna titmus. the significant sums up reaction of australia s coach who was the second fastest time ever behind ledecky s world record. katie told me i m mentally on to the next race. i could sense, though, the loss lit an even bigger fire under her with the best events to come