MOSCA - 11 GIUGNO: La sportiva corre in pista durante la gara sulla competizione atletica internazionale Moscow Challenge nel complesso olimpico di Luzhniki l '11 giugno 2012, Mosca, Russi . - Filmati e video stock

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.

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

Male runners walk up to the starting line, get into position and begin to race.

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

Two strong rivals competing at stadium, running fast, preparing for marathon

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

MOSCOW - JUN 11: Runners overcome obstacle during race on international athletic competition IAAF World Challenge in Luzhniki Olympic Complex on 11 June 2012, Moscow, Russia

MOSCOW - JUN 11: Christian Malcolm (UK) sits and deeply breaths at Luzhniki Olympic Complex during athletics competitions IAAF World Challenge Moscow Challenge, Jun 11 2012, Moscow Russia.

MOSCOW - JUN 11: Sportswomen prepares for start of race on international athletic competition IAAF World Challenge in Luzhniki on 11 June 2012, Moscow, Russia