Paralympians David Weir and Sophie Christiansen have been added to the line up of stars to appear at Queen Elizabeth Olympic Park on Saturday.

They will be attending the National Paralympic Day featuring London Mayor Boris Johnson’s Liberty Festival at the Olympic Park.

Weir, who won four gold medals at the London 2012 Paralympic Games, is looking forward to returning to the Park to relive the magic of the Games, which enraptured the nation last year.

He said: “National Paralympic Day will provide an opportunity for everyone to relive the excitement that surrounded the Paralympic Games last year and I think it’s going to be a great day.

“I’m absolutely delighted that I will be back in the Olympic Park as part of the celebrations for National Paralympic Day. I got to race in the Park almost every day of London 2012 so it will be amazing to be back there this weekend, once again celebrating with the British public.”

Sophie Christiansen will also be among the dozens of athletes to attend National Paralympic Day, fresh from her success at the 2013 European Championships where she added another three gold medals to her collection.

She said: “I think it’s really exciting that we have the opportunity to celebrate National Paralympic Day for the first time. At London 2012, the country showed its love for Paralympic sport and the sale of tickets for National Paralympic Day has proved the continued interest and support.

“The great thing is that you don’t need a ticket to get involved on National Paralympic Day. I’m looking forward to meeting visitors to the park on September 7 and soaking up what I’m sure will be an incredible atmosphere. With so much happening on the Park that day, there really should be something for everyone to enjoy.”

All the 12,000 tickets which went on sale for the three sessions of elite sport taking place in the Copper Box arena have now sold out, but no tickets are required for visitors who are looking to access the Olympic Park to experience the atmosphere, try different sports and enjoy the Liberty Festival.

Artists and performers will also appear as part of the Mayor’s Liberty Festival, the popular annual showcase of Deaf and disabled artists. Highlights will include “The Limbless Knight”, an inspiring aerial and sway performance from award-winning theatre company Graeae, whose artistic director Jenny Sealey co-directed last year’s Paralympic Opening Ceremony.