Career
Her personal best is 2:27:16 hours, set in Carpi. Mugo was runner-up to Philes Ongori at the Kenyan Armed Forces half marathon at the start of 2009 and from there she began to focus on longer distance. Mugo was confident in her abilities and said "I think that I can run 2:25 with the help of pacemakers."
In her first race of 2011 she started quickly at the Dubai Marathon, reaching the halfway point in 1:12:54 but faded in the second half, ending up twelfth with 2:36:38 hours.
She had a decent showing at the Porto Half Marathon, coming fourth, but did less well at the Venice Marathon, ending up seventh and crossing the line after 2:50:59 hours.
Mugo had a more successful year in 2012. She ended the year with a sixth place finish at the Honolulu Marathon.