Career
She also competed at the 2004 Summer Olympics and the 2005 World Championships, without reaching the finals. In her younger days she mainly competed in the 800 metres, and was successful as a junior. She went undefeated in all of her races against the best runners in the world.
He performance at the 2010 IAAF Continental Cup was a controversial one, as she attempted to pull back Hind Dehiba as the two duelled in the final straight.
Langat fell and finished last. She claimed an 800/1500 m middle distance double at the 2010 Commonwealth Games, however, and was chosen as the Kenyan Sportswoman of the Year in December.
Langat had less success on the 2011 Diamond League circuit: on her two appearances, at the Golden Gala and Prefontaine Classic, she came fifth both times. She topped the podium in the 1500 m at the 2011 Military World Games, but was eliminated in the semi-finals at the 2011 World Championships in Athletics.