An attempt to break a Guinness Book World Record is underway in Palm Beach County.
Jason Lester, an ultra-endurance athlete, is attempting to run the greatest distance ever covered on a treadmill in one week.
15-year-old becomes youngest British person to scoop FIVE Guinness World records
SWNS STUDIO
A child genius has become the youngest British person with the most Guinness World Records - after scooping his FIFTH at the age of..
