You said average. So here goes my Educated Guess.
Muir Ranch to Tuolumne Meadows.
Quick thru hiker....3 days.
Take your time...6 days...
Average = (6+3)/2 =4.5 days.
>I know this will be like asking how long is a piece of string....but....
>How long should an average Jo/Limey take to hike from Muir to
>Tuolume in mid July 2010!
>Dave