Not to surprised about this:
From RWOL
Rutto hits the finish in 2:06:16 to claim his second Chicago win in a row, and his third straight major marathon victory. He also improved on his London 04 time of 2:06:18. Njenga is second in 2:07:42 and Takaoka third in 2:07:49. All suffered after the first half in 1:02:24.
Update 32: Next finishers, Jimmy Muindi, 2:08:28; Khalid Khannouchi, 2:08:42; Dos Santos, 2:08:50. No developments at this point in women's race.