A few days ago, Mattie Rogers was virtually unknown outside of weightlifting circles – but she’s rapidly becoming an internet superstar.

The 20-year-old, who has been described as the future of American weightlifting, was training in her gym when she was distracted by some nearby runners.

The reaction is pretty hilarious.

When the people running directly in front of you accidentally catch some of the sass…… pic.twitter.com/JgRPYgA3od

— Mattie Rogers (@mattie_rogers) April 2, 2016

In fact, it’s all go at Rogers’ gym.

Just a few days ago, she had an unfortunate accident which left the place with a broken window…

For the record, Rogers is normally much better at lifting than this – she’s a multiple American record-holder and on course to represent her country at the Olympics.