1-60 in just over 19 hours (with boosting)

This was all done using a 70 Warlock to boost.
4 accounts were linked for the triple exp
warlock account was NOT linked to any of the accounts.

1-10 any old quests
10-15 deadmines boost
15-20 stockades boost
20-35 sm boosts
35-44 zf boosts
44-49 searing gorge quests boost
49-52 burning stepps boost
52-54 western plaguelands boost
54-58 winterspring boost
58-60 outlands