How to run a marathon in under two hours
It takes an elite athlete like Eliud Kipchoge plus other runners set up to reduce air resistance
![Eliud Kipchoge spreads his arms in jubilation as he finishes a sub 2 hour unofficial marathon in Vienna.](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2023/08/081523_zs_marathon_feat.jpg?fit=1030%2C580&ssl=1)
In 2019 in Vienna, elite runner Eliud Kipchoge finished an unofficial marathon in under two hours.
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