Education
At the 2008 African Championships in Athletics she finished third in the 5000 metres race.
At the 2008 African Championships in Athletics she finished third in the 5000 metres race.
In 2006 she moved to Japan to represent local Dauhatsu athletics team, but was mostly out of action due to injuries. Momanyi was selected to represent Kenya at the 2008 Summer Olympics in Beijing. She was the national flagbearer of the Kenyan team at the opening ceremony.
She was to participate the women"s 10,000 metres.
However, she did not compete as she was replaced by reserve Peninah Arusei athlete under controversial circumstances. The following year she did get the opportunity to represent Kenya at global level, running in the 10,000 m at the 2009 World Championships in Athletics.
Momanyi was fourth in a close finish, running a personal best of 30:52.25. She returned to the Bangalore 10K in May 2010, but could not repeat her past victory and instead finished in third place.
Back on the road, she ran in the Great South Run in October and topped the podium.
She saw her performance in the ten-mile race as a stepping-stone to a future in road events: "This was a good result and very important as eventually I will be moving to the marathon". She claimed fourth place at the World"s Best 10K in February 2011, but reached the podium at the Lisbon Half Marathon the following month by taking third in a personal best of 1:08:41. She was among the favourites for the Great Manchester Run in May and took third place.
She is coached by Timothy Momanyi.
She lives in Kisii. She has a child. 3000 metres - 8:56.37 minimum (2009)
5000 metres - 14:50.77 minimum (2009)
10000 metres - 30:52.25 minimum (2009)
Half marathon - 1:08:41 hrs (2011).