KILOMETER TIME CHANGE AVG PACE 1 6:36 -- 6'36"/km 2 13:21 + 0:09 (-3%) 6'45"/km 3 20:03 - 0:03 (0%) 6'42"/km 4 26:53 + 0:08 (-2%) 6'50"/km 5 33:57 + 0:14 (-4%) 7'04"/km 6 40:48 - 0:13 (3%) 6'51"/km