The Abu Dhabi Half Marathon was her major race in 2010 and she was the runner-up behind teammate Keitany. In March the following year Ongori she ran at the Paris Half Marathon, but was again second-best behind a fellow Kenyan, this time Peninah Arusei.19th Paris Half Marathon: Kibet and Arusei leaders . Star Africa (8 March 2011). Retrieved 16 April 2011. Ongori made her marathon debut in April 2011 at the Rotterdam Marathon and she outran the more experienced Hilda Kibet in the final stages to win the race in a quick first-time run of 2:24:20 hours. She was the first Kenyan finisher at the World 10K Bangalore, taking fifth place behind Ethiopian women. She won the Berlin Half Marathon in April 2012, beating Helah Kiprop by one second at the line, then won the Yangzhou Jianzhen International Half Marathon at the end of the month. She was second at the Sotokoto Safari Half Marathon in June, but missed the rest of the season.Philes Ongori. Tilastopaja. Retrieved 13 May 2013.
