With the 2025 marathon season just around the corner, our editors Alex, Katelyn and Michael ask: who (if anyone) will finally break the two-hour barrier on a legal marathon course? They explore the science behind running a sub-two marathon, the evolution of shoe technology, Eliud Kipchoge's Breaking2 and INEOS 1:59 Challenge events, and the haunting spectre of the world record holder, late Kelvin Kiptum. They then get into where, when and who could finally break this elusive barrier in distance running.

Come see our live podcast at the Boston Run Show! March 1-2. Get tickets here:

https://thebostonrunshow.seetickets.com/event/the-boston-run-show-the-boston-outdoor-expo/boston-hynes-convention-center/3110358

Further Reading:

The Haunting “What If…” Of Kelvin Kiptum
https://marathonhandbook.com/the-haunting-what-if-of-kelvin-kiptum/

Watch our video "Why Is the Marathon 26.2 Miles?"
https://youtu.be/cLMdmp1K4sM

What Is Lactate Threshold Training For Athletes?
https://marathonhandbook.com/lactate-threshold-training/

What Is VO2 Max? + How To Measure And Improve Your VO2 Max
https://marathonhandbook.com/what-is-vo2-max/

Running Economy: How To Become A More Efficient Runner
https://marathonhandbook.com/running-economy/

Marathon Pacers Explained: The Pros And Cons Of Running With A Pacer
https://marathonhandbook.com/marathon-pacers/

What Is Drafting? + How This Controversial Tactic Can Win You Back Seconds (Or Minutes!)
https://marathonhandbook.com/what-is-drafting/

How To Run Negative Splits: The Key To A Faster Race Time
https://marathonhandbook.com/negative-splits/

Nike’s Alphafly Vs Vaporfly: What Separates The Shoe Giant’s Two Flagship Supershoes?
https://marathonhandbook.com/alphafly-vs-vaporfly/

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Our free marathon training plans:
https://marathonhandbook.com/trainingplans/marathon-training-plans/

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