Exchange starts for the RV Saarbrücken. In 1996, she missed the part in the Olympics and instead took part in the World Championships for non-Olympic boats. There she won the coxless four with their first bronze medal in the adult class. Four years later she met with Claudia Barth in the coxless pairs and finished sixth in the Olympic final. In the following years Lenka Wech part of the German roller. She won by two bronze medals in 2001 and 2002 at the World Championships in Milan in 2003 the title. After the second part in the Olympics in 2004 with the fifth place in the aft she sat out for a year. In 2006 she was at her comeback at first vice world champion with the eighth. She participated in the 2008 Olympic Games along with Maren Derlien in part two, and reached the fourth place; The two competed with the women's eights, who could not qualify for the A-final.
Lenka Wech has her medical studies in Freiburg completed in 2003. Initially she worked in the oral and maxillofacial surgery, but saddled on trauma surgery and orthopedics to. 2011 put it on the board examination. It also focuses on manual medicine and sports medicine.