With a 37.45% maximum gradient Ffordd Pen Llech in Harlech shot to fame when it 'stole' the title of 'World's Steepest Street' from Baldwin Street in New Zealand.
14:00
£24.99
Age 15 & over
Yes, they then 'stole' it back again, but we won't let it get us down, this is still our 'World's Steepest Street Run'!