The National Three Peaks Challenge takes in the highest mountains in Scotland, England and Wales in 24 hours.
Trying to raise awareness of Batten Disease as my lovely neighbours have two grandchildren effected by it :( Want to know more about condition? https://en.wikipedia.org/wiki/Batten_disease Briefly about the challenge: Getting to the closest station to the peak (Ben Nevis or Snowden, haven't decided which one yet) by train. From there cycling from peak to peak. Sleeping in B&Bs or other cheap locations to avoid taking a tent - lighter bike, more miles done per day.
Charity website