Naismith's Rule

[chris]

here's the link for that calculator I mentioned.
Just out of interest I did if for the mourne wall, 22miles 3000m of assecnt at 3mph and It came out with 12h 20mins not including breaks. So I dont think we were far off in the end considering lunch stops running around looking for water etc,

http://www.wotzwot.co.uk/walking-time.php