In March 2006, she reaffirmed her talents by breaking four times the world record in the 50m and 100m breaststroke S12 during the British Open Championships and the European Cup, held in early May 2006 in the Czech Republic.

At the British Open Swimming Championship in Sheffield, she won a gold medal setting a new world record in the 100m breaststroke S12 in 2007.

In the European Cup “EUROWAVES” in the Czech Republic she brought home yet another gold medal in the 100m breaststroke S12 and shattered the world record once again.

On 8 September 2008 at the Summer Paralympic Games in Beijing, Pelendritou broke the world record in the qualifying heats of the 100m breaststroke event with a time of 1:16.82.

[2] At these Paralympic Games in Beijing she also won a bronze medal in the 200M medley S12 and came fifth place in the 50m freestyle event.

This honour was awarded to her during an event which was organised by Lord Provost at the Kelvingrove Art Gallery and Museum in Glasgow on 12 June 2008 in the presence of 200 representatives from the Commonwealth countries.

At the IPC Swimming World Championships in Eindhoven, the Netherlands, she brought home another gold medal in the 100m breaststroke S12, and secured her place to participate in the 2012 Paralympic Games in London.

After undergoing 3 operations in 4 years, in November 2011 she was told by her doctors that she must stop swimming professionally.

"[5] In 2012, at the German Open Championships in Berlin, she won the gold medal in the 50m breaststroke S12, setting yet another world record.