 Complete the following phrase:  Muriuki placed sixth at the 2010 IAAF World Cross Country Championships, which helped the Kenyan women to the world team title. She was the runner-up at the 2012 African Cross Country Championships behind teammate Joyce Chepkirui, both of whom shared the team title. A week later she took third place at the Lisbon Half Marathon, finishing behind Diana Chepkemoi. Showing her versatility, she went back down to the 1500 m at the 