Kenyan Eliud Kipchoge headlines world-record chasers at Berlin Marathon

Many eyes will be on Eliud Kipchoge at Sunday's 44th Berlin Marathon (CBCSports.ca, 3:15 a.m. ET) where the Kenyan will attempt to shatter Dennis Kimetto's 2014 world record of 2:02:57, set in the German capital. Kipchoge threatened the two-hour barrier in May.