She competed in the 10,000 m at the 2009 World Championships in Athletics and was the Kenyan record holder in the event with her best of 30:11.53 minutes until it was broken by Vivian Cheruiyot on 12 August 2016 at the Rio Olympic Games.

After motherhood, she started the collaboration with the Italian Coach Renato Canova, which has produced great results, to this day.

[3][4] She won the women race at the 2009 IAAF World Cross Country Championships ahead of compatriot Linet Masai.

She became the second Kenyan to win the long race at the World Cross Country Championships, the first one was Hellen Chepngeno, who won in 1994.

[9] Having taken global titles in cross country and road running, she stated her intention to focus on reaching the podium on the track at the 2011 World Championships in Athletics and the 2012 London Olympics.

[10] She ran in the 15K race at the Zevenheuvelenloop and was runner-up to Genet Getaneh,[11] but at the Sapporo Half Marathon she continued her undefeated streak over that distance.

[17] She missed the rest of 2012, but returned at the RAK Half Marathon in February the next year and had her second fastest ever result (67:13 minutes), although the depth of the race left her in fifth.

[19] The 2013 Berlin Marathon saw her top the field with her winning time of 2:21:13 hours, beating Sharon Cherop by over a minute.