Career
He has a half marathon best of 61:05 minutes and a 10K best of 27:28 minutes. He performed poorly at the Kenyan World Championship trial race (placing 60th) and instead competed on the Italian road running circuit that year. He was runner-up at the Turin and Cremona Half Marathons, setting a best of 62:52 minutes at the latter race.
He also came third at the Giro Podistico di Rovereto and fourth at the Giro al Sas races.
Langat ran in a series of Dutch races in the 2011 season, starting with a second-place finish at the Venloop half marathon. A half marathon best followed at the Zwolle Half Marathon, where he was fifth with a time of 61:56 minutes.
He was runner-up to Geoffrey Mutai at the Bachelor of Arts.A. 10K in June 2012.