Frankfurt Marathon 2016
|2010 New Delhi||10,000 m|
She began to enjoy success in athletics in 2006, becoming the East African cross country champion and winning at the first Shoe4Africa Women's 10km race. She gained her first major title at the 2007 Military World Games, winning the 10,000 metres gold medal. The following year she came third at the Kenyan cross championships and gained selection for the 2008 IAAF World Cross Country Championships, where she finished in fourth place and helped Kenya to the women's team silver medal. She was the winner of the 2008 edition of the Great Ireland Run and also won the Würzburger Residenzlauf that year.
At the 2010 African Championships in Athletics, she ran over 10,000 m and took fifth place. Changeywo represented Kenya at the 2010 Commonwealth Games in October and won the silver medal, finishing as runner-up to compatriot Grace Momanyi. She made her debut over the half marathon at the Delhi Half Marathon two months later, where she came tenth in a time of 1:10:40.
She ran at the Cross Internacional Zornotza in January the following year and came second behind Pauline Korikwiang. She missed out on a place on the World team that year, finishing ninth at the trials, but was selected to compete at the 2011 African Cross Country Championships instead. She took the bronze medal as part of a Kenyan medal sweep with Mercy Cherono and Viola Kibiwot. In April, she won the Würzburger race with a 10K best of 31:26 minutes and then ran a half marathon best of 1:08:49 hours in Rabat. On the track she claimed the 10,000 m gold medal at the 2011 Military World Games in Rio de Janeiro, beating fellow Kenyan Lineth Chepkurui to defend her title. Turning to the roads again, she won the Porto Half Marathon and then was the runner-up behind Aselefech Mergia at the Great South Run 10-miler in October.
She is married to Kenya's long-distance runner Moses Masai as the couple has a daughter.
|2007||Military World Games||Hyderabad, India||1st||10,000 m|
|2008||World Cross Country Championships||Edinburgh, Scotland||4th||Senior race|
|2010||Commonwealth Games||New Delhi, India||2nd||10,000 m|
|2011||African Cross Country Championships||Cape Town, South Africa||3rd||Senior 8 km|
|2011 Military World Games||Rio de Janeiro, Brazil||1st||10,000 m|
- 5000 metres - 15:18.01 min (2008)
- 10,000 metres - 31:31.01 min (2008)
- 10 km (road) - 31:26 min (2011)
- Half marathon - 1:08:49 hrs (2011)
- Okoth, Omulo (6 January 2006). "Changeywo takes inaugural Shoe4Africa Women's 10km". IAAF. Retrieved 29 April 2016.
- "Race History". Great Ireland Run. Archived from the original on 1 April 2010. Retrieved 25 April 2010.
- 2010 African Championships. Tilastopaja. Retrieved 15 January 2011.
- Krishnan, Ram. Murali (21 November 2010). "Mergia recaptures women's crown, Mutai foils Ethiopian sweep at Delhi Half Marathon". IAAF. Retrieved 29 April 2016.
- Valiente, Emeterio (7 January 2011). "Ebuya dominates in Amorebieta". IAAF. Archived from the original on 12 January 2011. Retrieved 15 January 2011.
- Mutuota, Mutwiri (19 February 2011). "Mutai and Masai take hard fought wins in Nairobi; reigning World champs Ebuya and Chebet won't defend". IAAF. Retrieved 29 April 2016.
- Ouma, Mark (7 March 2011). "Cherono and Mwangangi victorious at inaugural Africa Cross Championships". IAAF. Retrieved 29 April 2016.
- Fernandes, Antonio Manuel (18 September 2011). "Tadese under one hour in Oporto". IAAF. Retrieved 29 April 2016.
- Martin, David (30 October 2011). "Komon and Mergia take convincing victories in Portsmouth". IAAF. Retrieved 29 April 2016.
- Wenig, Joerg (20 May 2012). "Gebrselassie takes another strong 10k victory in Manchester". IAAF. Retrieved 29 April 2016.
- Krishnan, Ram. Murali (27 May 2012). "Kipsang and Kiprop lead Kenyan double podium sweep in Bangalore". IAAF. Retrieved 29 April 2016.