Render showing track action inside the Velodrome during the 2012 Games. Image credit: LOCOG / eyevine

Render of the exterior of the Velodrome for the 2012 Games. Image credit: LOCOG / eyevine

Aerial view of the Olympic Park showing the Velodrome with BMX Track to the right. Picture taken on 16 April 2012. Image credit: LOCOG / eyevine

A handout picture obtained from the London Organising Committee of the Olympic and Paralympic Games (LOCOG) received on December 21, 2011 and taken on December 5, 2011 shows the London 2012 Olympic Games' Velodrome in the Olympic Park in London. AFP PHOTO / LONDON 2012 / ANTHONY CHARLTON RESTRICTED TO EDITORIAL USE - MANDATORY CREDIT " AFP PHOTO / LONDON 2012 / ANTHONY CHARLTON" - NO MARKETING NO ADVERTISING CAMPAIGNS - DISTRIBUTED AS A SERVICE TO CLIENTS

A handout picture taken on July 14, 2011 and obtained from the Olympic Delivery Authority (ODA) press office, on July 27, 2011 shows an aerial view of the Velodrome with the BMX track being developed in the Olympic Park, in east London. The one-year countdown to the 2012 Olympics got under way on Wednesday with officials bullishly predicting London was on course to deliver the best ever games with 12 months to go. International Olympic Committee chief Jacques Rogge was set to extend a formal invitation to the world's athletes during a 7:00pm ceremony at Trafalgar Square in the culmination of day-long events to mark the one-year milestone. AFP PHOTO / ODA/Anthony Charlton/ HO ---- EDITORS NOTE ---- RESTRICTED TO EDITORIAL USE - MANDATORY CREDIT *AFP PHOTO / ODA/Anthony Charlton/ HO* - NO MARKETING NO ADVERTISING CAMPAIGNS - DISTRIBUTED AS A SERVICE TO CLIENTS

A handout picture taken on July 14, 2011 and obtained from the Olympic Delivery Authority (ODA) press office, on July 27, 2011 shows an aerial view of the Velodrome with the landscaped Parklands in the foreground in the Olympic Park, in east London. The one-year countdown to the 2012 Olympics got under way on July 27, 2011 with officials bullishly predicting London was on course to deliver the best ever games with 12 months to go. International Olympic Committee chief Jacques Rogge extended a formal invitation to the world's athletes during a ceremony at Trafalgar Square in the culmination of day-long events to mark the one-year milestone. AFP PHOTO / ODA/Anthony Charlton/ HO ---- EDITORS NOTE ---- RESTRICTED TO EDITORIAL USE - MANDATORY CREDIT *AFP PHOTO / ODA/Anthony Charlton/ HO* - NO MARKETING NO ADVERTISING CAMPAIGNS - DISTRIBUTED AS A SERVICE TO CLIENTS

A handout picture obtained from the London Organising Committee of the Olympic and Paralympic Games (LOCOG) received on April 2, 2012 and taken on April 13, 2012 shows a general view of the Veldrome London 2012 Olympic Games venue at the Olympic Park in London. AFP PHOTO / LONDON 2012 / David Poultney RESTRICTED TO EDITORIAL USE - MANDATORY CREDIT " AFP PHOTO / LONDON 2012 " - NO MARKETING NO ADVERTISING CAMPAIGNS - DISTRIBUTED AS A SERVICE TO CLIENTS

Members of Britain's track cycling team pose for photographers in the newly opened 2012 Olympic Velodrome in Stratford, east London, on February 22, 2011. British Olympic hero Sir Chris Hoy christened the London 2012 cycling track here Tuesday as the state-of-the-art velodrome became the first London Olympics venue to be completed. Four-time Olympic champion Hoy was joined for an early morning ride at the east London venue by fellow Beijing gold medallists Victoria Pendleton and Jason Kenny as well as a clutch of British sprint stars. AFP PHOTO/ BEN STANSALL

A general view of the newly opened 2012 Olympic Velodrome in Stratford, east London, on February 22, 2011. British Olympic hero Sir Chris Hoy christened the London 2012 cycling track here Tuesday as the state-of-the-art velodrome became the first London Olympics venue to be completed. Four-time Olympic champion Hoy was joined for an early morning ride at the east London venue by fellow Beijing gold medallists Victoria Pendleton and Jason Kenny as well as a clutch of British sprint stars. AFP PHOTO/ BEN STANSALL

ATTN EDITORS - EMBARGOED UNTIL 00:01GMT TUESDAY FEBRUARY 22, 2011 --- EDITORS NOTE --- RESTRICTED TO EDITORIAL USE - MANDATORY CREDIT *AFP PHOTO/ODA/Anthony Charlton/HO* - NO MARKETING NO ADVERTISING CAMPAIGNS - DISTRIBUTED AS A SERVICE FOR CLIENTS A handout picture obtained on February 21, 2011 from the Olympic Delivery Authority (ODA) and taken on February 8, 2011 shows an aerial view of the Velodrome in the VeloPark. AFP PHOTO/ODA/Anthony Charlton/HO

The Olympic velodrome is pictured at the Olympic Park in Stratford, East London, on January 19, 2011. AFP PHOTO/LEON NEAL

Construction workers stand near the Velodrome at the Olympic Park in Stratford, East London, on January 19, 2011. AFP PHOTO/LEON NEAL