Overview
- Margo said on social media that she and Mark did not really get on for 40 years.
- The in-laws now compete as a team on the BBC series Race Across The World.
- The race spans more than 12,000 km from Sicily to northern Mongolia across eight countries.
- Teams travel without smartphones, internet, or bank cards on £26 per person per day for a £20,000 prize.
- Mark and Margo grew closer while caring for Julia, and viewers have since sent them supportive messages.