
The overall mixed-race world record of 2:09:56 belongs to Kenyan athlete Ruth Chepng’etich, who achieved the time at the 2024 Chicago Marathon.
That mark has been mired in controversy after Chepng’etich returned a positive drug test five months later and received a three-year ban in 2025.
“I’m sorry, but I think that world record is entirely dubious; if you study everything that’s been said, from the AIU (Athletics Integrity Unit), and what they believe, that’s a personal opinion,” Brasher said.
The London Marathon chief has also been vocal about the need for greater integrity across the World Marathon Majors, particularly after the provisional suspension of Peres Jepchirchir, who also failed a drugs test.


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