12 of us did the challenge 9 walkers and 3 drivers, our charity was for my daughters school( Riverbank school in Cardiff). Out of the 9 walkers 4 of us finished within the 24 hours, 2 finished but were over the time and 3 were injured.
22 hours and 11 minutes
The National Three Peaks Challenge takes in the highest mountains in Scotland, England and Wales, often in 24 hours.