Education
Lemmen also attended Southern Methodist University in Dallas, Texas, where she majored in management, and swam for the SMU Mustangs under head coach Steve Collins.
Lemmen also attended Southern Methodist University in Dallas, Texas, where she majored in management, and swam for the SMU Mustangs under head coach Steve Collins.
She is a single-time Olympian (2004), and a double medalist in sprint freestyle at the 2001 European Junior Championships in Valletta, Malta. While studying in the United States on an athletic scholarship, Lemmen has earned numerous high school and state titles, and received two-year All-American honors in college swimming. She posted a relay entry time of 2:02.37 from the ConocoPhillips Spring National Championships in Orlando, Florida.
Teaming with Marleen Veldhuis, Chantal Groot, and Haike van Stralen in heat two, Lemmen swam a lead-off leg and recorded a split of 2:02.21.
Lemmen and the entire Dutch team missed the top 8 final by almost two seconds, finishing only in fifth place and ninth overall with a final time of 8:08.96.
Three years later, at the 2004 Summer Olympics in Athens, Lemmen qualified only for the women"s 4×200 m freestyle relay as a member of the Dutch team