sentences:  Ndambiri won a second Chiba Ekiden title with Kenya the following year, where he won his 5-kilometre leg by a margin of over twenty seconds.He won the 10,000 metres at the Kenyan Championships in 2007 and in his major international debut he finished fifth in the event at the 2007 World Championships.A month after his world appearance, he took a 5000/10,000 m double at the Japan Corporate Team Track & Field Championships.