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(Kosgei ended up winning silver in Sapporo, in 2:27:36.) Two-time world half marathon champion Peres Jepchirchir of Kenya won the race in 2:27:20 That included world record holder Brigid Kosgei, who ran 2:14:04 at the 2019 Chicago Marathon. But eight women on the starting line had personal bests faster than 2:20. Seidel improved on her 2:27:31 performance at the Trials in the London Marathon last October, where she ran 2:25:13. Plus, successfully withstanding nearly two and a half hours of pounding gives you confidence to persist through rough patches in future races, Kastor said. Competing over such a long distance requires a precise calibration of effort, along with skill at techniques like running tangents to minimize any excess distance. The event typically takes some time to master, said Kastor, who’d run four marathons by the time she went to Athens. The 2020 Olympic Marathon Trials, where she qualified, was her debut at the distance. If you watched or read anything about Seidel’s race afterward, you probably heard the Olympic race was only her third marathon.
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