Michelle Lau Hoi-ting knows a thing or two about grace under pressure. She's a ballet dancer, a gymnast and an athletic swimmer. She needs grace, elegance, poise and the ability to hold her breath ...

Paraswimmer Grace Nuhfer set the world record in the S13 200 butterfly on Friday at the TYR Pro Swim Series in Sacramento. Nuhfer, swimming alone in the B final of the 200 fly, went 2:22.78.