The progression of men's running speed for world record marathon times. | Download Scientific Diagram
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Kenya: Eliud Kipchoge Broke the Men's Marathon Record By 30 Seconds. How Close Is the Official Sub-2 Hour Barrier Now? - allAfrica.com
![Eliud Kipchoge broke the men's marathon record by 30 seconds. How close is the official sub-2 hour barrier now? Eliud Kipchoge broke the men's marathon record by 30 seconds. How close is the official sub-2 hour barrier now?](https://images.theconversation.com/files/487203/original/file-20220929-12-ryakch.jpg?ixlib=rb-1.1.0&q=45&auto=format&w=754&fit=clip)
Eliud Kipchoge broke the men's marathon record by 30 seconds. How close is the official sub-2 hour barrier now?
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