how fast was ye shiwen in an olympics swim who is ye shiwen? why is ye swiweng's 400m IM performance statistically so bad? is the 400m swim nominated? how old is ye swiwen when did ye shiwen run 400m how old is ye swaiwen who is ye shitshua in performance profiling how old is ye shiwen what is ye shiwen's performance how old is ye swiwen is ye shiwen's 400m personal best why is ye shiwen's performance a problem who is the fastest person to swim london why is ye swain a performance improver how old was ye shiwen in the olympics what is ye swiwen's personal fastest how old is ye shiwen which chinese swimmer won gold in the 400m who is better swimmers than ye-shiwen