After competing on the Kenyan junior cross country circuit to little success, Langat made his breakthrough in 2010 by winning the Administration Police National Cross Country Championships, having entered as a member of the public.[1] 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.[2] He also came third at the Giro Podistico di Rovereto and fourth at the Giro al Sas races.[3][4]