'Not human': Olympic legend stuns fans with insane viral challenge

Katie Ledecky (pictured) swimming with a glass of milk on her head.
Katie Ledecky (pictured) may have won five Olympic gold medals, but she has still surprised in the pool after balancing a glass of milk on her head for a whole lap. (Image: @katieledecky)

Five-time Olympic gold medalist Katie Ledecky has sent social media into a frenzy after pulling off what appears to be an impossible feat for a new viral challenge.

The 23-year-old swimmer often surprises when she enters a race, but her new feat for the #GotMilk challenge needs to be seen to be believed.

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Starting the challenge in the pool, Ledecky swims the length of a pool balancing a cup of chocolate milk on her head without spilling a drop.

To cap off the unbelievable feat, Ledecky takes a swig of the milk and smiles for the camera.

The incredible act of balance and poise left fans in awe.

Many joked they struggle not spilling their morning coffee, let alone doing what Ledecky achieved.

Ledecky swims for #GotMilk challenge

Ledecky performed the challenge for a new campaign “Got Milk?”.

The champion swimmer challenged other fans to show: “What can you do without spilling a drop?”

The video has been viewed more than 2.8 million times.