With 1:43.62 he just ran a new Kenya Junior Record, bettering Japhet Kimutai's 1:43.64 from 1997.
Abraham Kipchirchir Rotich was not able to qualify for the World Junior Championship in 2010, where he managed third in his heat.
In 2011 he was second at the National Secondary Schools Championship (in 1:46.4) behind Timothy Kitum and ahead of Leonard Kosencha but was not selected in the team to World Youth Champ in Lille due to injury.
This year he finished second at the Junior Trials behind Edwin Kiplagat but again was not selected for the World Junior Championsip in Barcelona because AK gave a wild card to Timothy Kitum*. He also managed a fourth place at the Kenyan Olympic Trials. He is now ranked #3 in Kenya this year (#26 All Time).
2010 - 1:50.76
2011 - 1:46.4h
2012 - 1:43.62 (NJR)
*since Kitum is now qualified for the OG in London we may see Rotich in Barcelona