The Olympic Park welcomed its 200,000th visitor as part of Open House this weekend.

For the fifth year running the site for the 2012 Games opened to the public with more than 4,000 people joining bus tours around the park. For the first time the annual tours took an exclusive look inside the Olympic Stadium and Aquatics Centre. Visitors could also see the parklands taking shape.

They also got the chance to meet Olympians John Regis, Tessa Sanderson and Steve Backley, along with Parlaympians Danny Crates and Heather Frederiksen. Key figures involved in the design, construction and legacy of park and the running of the Games were also on hand.

Throughout the park’s creation the Olympic Delivery Authority has been running regular tours of the park for residents, schools and organisations, which have hosted 200,000 visitors to date.

ODA Chairman John Armitt said: “Seeing is believing and we have tried to open up the Olympic Park ‘big build’ to as many people as possible so they can see the progress and transformation for themselves.

“Open House has been a great opportunity for thousands of people to follow the transformation of what was a predominantly industrial area into a new part of London with world class sports venues, housing and infrastructure set in a fantastic new park.”