Former reality TV personality Spencer Matthews has completed 30 marathons in 30 consecutive days completely on sand – breaking a new Guinness World Record and raising more than £350,000 for charity.

The former Made In Chelsea star, 36, has added endurance athlete to his list of career ventures since first coming into the public eye in 2011.

The father-of-three spoke to Sky News after successfully running across 1,266km through the Jordanian Desert in scorching temperatures.

He…