In the beginning of the 2010, she entered the Osaka International Ladies Marathon as a possible podium contender,[2] she dropped out mid-race. She soon returned to form, however, clocking a time of 1:11:09 for second place at the Matsue Ladies Half Marathon in March behind Kenyan Obare Doricah.[3] Running at the 2010 London Marathon, she took sixth place with a time of 2:24:55, a personal best for the distance.[4] She won her first race at the 2011 Osaka Marathon, although she did not achieve the time standard to make the Japanese World Championships team.[5] She achieved this at the 2011 London Marathon, taking sixth for a second year running but also achieving a personal best time of 2:24:09 hours.[6] She was chosen to represent Japan at the 2011 World Championships in Athletics and took fifth place in the marathon.
Akaba was eighth at the 2012 Nagoya Marathon,[7] but was chosen as the substitute for the Olympic team due to her World Championship performance.[8] She didn't race at the Olympics, but won the Sanyo Women's Half Marathon later that year.[9] Giving her fastest run since 2009, she won the 2013 All-Japan Corporate Team Half Marathon Championships with a time of 68:59 minutes.[10] She had her second best ever performance at the 2013 London Marathon, where her time of 2:24:43 hours was enough for third place. A course record of 2:27:17 hours followed at the Gold Coast Marathon in Australia in July.[11]
Achievements
All results regarding marathon, unless stated otherwise