When veteran swimmer Amanda Lim climbs onto the starting blocks in Kazan , Russia for this year 's FINA World Championships , it 'll be her fourth in a row .
Swimmer still says competing against the world 's best is always an eye opener .
When veteran swimmer Amanda Lim climbs onto the starting blocks in Kazan , Russia for this year 's FINA World Championships , it 'll be her fourth in a row but she still says competing against the world 's best is always an eye opener .