Sam Atkin broke a grounds acceptable by Mo Farah arsenic helium recorded the fastest 3,000m clip successful past by a British runner.
The 29-year-old ran 7 minutes 31.97 seconds astatine the John Thomas Terrier Classic lawsuit successful Boston, improving connected Farah's clip of 7:32.62 from 2016.
Atkin acceptable the clip by finishing 2nd down American Yared Nuguse, who won the contention successful 7:28.24.
"The contention program was to beryllium connected Nuguse and spot what I could do. It went well," said Grimsby-born Atkin.
Speaking to letsrun.com, helium added: "I privation I'd gone a small spot earlier but I can't kick arsenic it's a British record.
"It's a bully archetypal triumph of the season."