Sarah Thomas has made history by swimming the English Channel 4 times in a row.
The 37-year-old American began the challenge on Sunday.
She completed the marathon swim at 6am this morning, having swam non-stop for just over 54 hours.
SHE'S DONE IT 👏
Whilst you were sleeping, Sarah Thomas, who had treatment for breast cancer last year, became the FIRST person to swim across the Channel four times non-stop 🏊♀️
In 150 years of the sport this has never been attempted let alone completed. INCREDIBLE 💙 pic.twitter.com/abdKi0vW6D
— The Women's Org. (@TheWomensOrg) September 17, 2019
Before she took on the epic task, the 37-year-old completed treatment for breast cancer.
Sarah dedicated her swim to "all the survivors out there".