Runners in the 10th Baikal Ice marathon, run on the frozen surface of the world's largest fresh water lake on March 1st 2014, Siberia, Russia, Eurasia

photography colour colour image color color image horizontal horizontal image outdoors outside day medium group of people travel destination travel destinations travel ice lake baikal siberia russia eurasia scenics scenic scene scenes scenery tourist destination tourist destinations remote extreme terrain snow lake sunlight lens flare blue sky clear sky running runner marathon ice marathon surface determination effort sport event