How Fast Would You Run A Marathon?

No matter your age, sex, size or skill level, this calculator can estimate how fast you’d run 26.2 miles based on your training regimen and your performance in just one recent race (or two, if you want a more fine-tuned assessment). Have a marathon coming up? Your predicted time can help you pace yourself so you don't bonk.

 

https://projects.fivethirtyeight.com/marathon-calculator/

 

 

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