North Pole Marathon: Where the bitter cold slows you down and thoughts of polar bears make you go faster
April 17, 2018, 12:58 p.m. by Michael d'Estries
Competitors from around the world line up on an Arctic ice floe to tackle one of the world's most difficult 26.2-mile races.
Meet 7 regular people running great distances to support a cause
March 29, 2018, 2:57 p.m. by Jenn Savedge
These runners are using their sport to change the world.