9.25 miles in 1:15 minutes. This may sound like some triathlon record, but kid you not, this is the world record for the longest surfed wave. Where do you ask? The Severn river in the Uk, and unlike other standing river waves this weird waves is a tidal bore that stretches through the countryside allowing surfers to take a daily tour up the river once a day. Join Dylan Graves and the Guinness World record holder Steve King, in the latest episode of Weird Waves.