I agree with Steve C's assessment - below is a link to a TR i did last year with approximate time frames between each milestone
Looks like we made it to e-ledges in 90 minutes from the parking lot - using headlamps and with 2 stream crossings
http://www.whitneyzone.com/wz/ubbthreads.php/topics/46254/Mountaineers_Route_May_13-14#Post46254
