USA Triathlon Age Group National Championship

Ann Hall stands with a few dozen other athletes on Edgewater Beach, gazing out at a white-capped Lake Erie. "I'm just trying to kind of mentally prepare myself if we have rough waters again," she says. She's one of 4,500 athletes who'll compete in the USA Triathlon Aug. 10 and 11, as the event comes to Cleveland for the second year in a row.

The swimming portion of the USA Triathlon Age Group National Championship in Cleveland is good to go for this weekend.Heavy rainfall this week spiked…