China 's Ye Shiwen won the 200 medley heats Monday morning .
China 's Ye Shiwen raised eyebrows by swimming a faster freestyle leg in her world - record - setting victory in the 400 medley Saturday night than Ryan Lochte and several men in the 400 medley final .
China 's Ye Shiwen , who raised eyebrows by swimming a faster freestyle leg in her world - record - setting victory in the 400 medley Saturday night than Ryan Lochte and several men in the 400 medley final , won the 200 medley heats Monday morning .