Here is how Ruth Chepngetich split the 2024 Chicago Marathon en route to her INCREDIBLE 2:09:57 world record.
5K – 15:00
10K – 15:14
15K – 15:18
20K – 15:19
25K – 15:26
30K – 15:32
35K – 15:43
40K – 15:39
Then closed hard to get under 2:10.
Oh my word!
#ChicagoMarathon