45-year-old Marc Lockwood will cover 156 miles alongside 1,500 fellow runners from across the globe.
He’s taking on the gruelling six-day run, to raise funds for St Lawrence primary school where his sons are pupils.
Temperatures can soar to more than 45°C during the day and plummet to 0°C at night.
Competitors have to navigate vast sand dunes, rocky plains and massive spiders.
