He's attempting to crack, the End to End record:- Current record holder Andrew Wilkinson 1 day 21 hours 2 minutes 18 seconds (1990)
and also the 24hr record.
Current record holder John Woodburn 494.25 miles (1982)
We wish him all the best on his ride.
Further details are on Philip's website at http://cres1.lancs.ac.uk/staff/pleigh/end2end.htm