What is the fastest mile ever split in a marathon at any point throughout the race?
Also what is the fastest 5 and 10k?
What is the fastest mile ever split in a marathon at any point throughout the race?
Also what is the fastest 5 and 10k?
4:22 in the marathon
Mile 4:21
5K 14:09
10K 28:37
The 10K split achieved at this year's London marathon.