24Hrs (2021)

Just how far can you ride a bike In 24 hours? Ultra-endurance cyclist Mark Beaumont joins James Lowsley-Williams on an overnight expedition from Somerset to Scotland through gruelling winter conditions and bad weather. Along the way they are tested by a team of top academics to monitor the affect of the demanding challenge is having on their cognitive function and long term physical ability. Battling fatigue and the ever changing weather conditions, how far can they make it?