Moskau - 11. Juni: Sportlerinnen bereiten sich auf den Start des internationalen Leichtathletik-Wettbewerbs iaaf world challenge in Luzhniki am 11. Juni 2012 vor, Moskau, Russland - Stock-Footage & -Video

MOSCOW - JUN 11: Sportswoman runs by track during race on international athletic competition Moscow Challenge in Luzhniki Olympic Complex on 11 June 2012, Moscow, Russi.

Athlete finishing race first and cutting off red ribbon, celebrating victory

KAZAN, RUSSIA - MAY 15, 2013: Slim fast girl athlete running on track at international competition with spectators at stands on background

MOSCOW - JUN 11: Athletes preparing for race on international athletic competition IAAF World Challenge in Luzhniki Olympic Complex on 11 June 2012, Moscow, Russia

Sportsmen of athletic team training, running on sports field, marathon race

Coach helping his sportsman to warm up and control his workloads at training

MOSCOW - JUN 11: Sportswoman runs by track during race on international athletic competition Moscow Challenge in Luzhniki Olympic Complex on 11 June 2012, Moscow, Russi.

MOSCOW - JUN 11: Athletes preparing for race on international athletic competition IAAF World Challenge in Luzhniki Olympic Complex on 11 June 2012, Moscow, Russia

MOSCOW - JUN 11: Sportswoman runs by track during race on international athletic competition Moscow Challenge in Luzhniki Olympic Complex on 11 June 2012, Moscow, Russi.

MOSCOW - JUN 11: Sportsmen run on track of Grand Sports Arena of Luzhniki Olympic Complex at international athletics competitions IAAF World Challenge Moscow Challenge on 11 June 2012, Moscow, Russia.

MOSCOW - JUN 11: Sportswomen run long-distance race during international athletic competition IAAF World Challenge in Luzhniki Olympic Complex on 11 June 2012, Moscow, Russia

MOSCOW - MAY 13: Sportsman runs by track in stadium named by Brothers Znamensky on 13 May 2012, Moscow, Russia.