Folks, there is a reason you come to LetsRun.com. To get accurate info.
Check out the Reuters preview of the 2016 Boston marathon
https://uk.sports.yahoo.com/news/no-clear-favorites-boston-marathon-olympic-173240784--spt.html
"Kenya's Geoffrey Mutai enters the race with the fastest personal time of 2:03:02, a course record he set with his 2011 Boston win. Kenyan Wesley Korir whose personal best is 2:06:13 is returning for a fourth time after having won in 2012."