We hiked 8.8 miles in 6:51 for a average pace of 1.29 MPH. Total elevation gain was 2694. We took a regular break going over Wittenburg and an extra long one on the way back.
A Hudson Valley Hiker Meetup, Lourdes did a great job leading: 
The Crack on the way up Wittenburg was a bit trickier because of ice. Some people went around to the left with a dog. 
Top of Wittenburg: 
Top of Cornell: 
There was a strong wind just before the top of Wittenburg, but by the time we topped Cornell and came back it warmed up for a bit of a nap: 
GPS track: Cornell Wittenburg GPX (track is marked where I always take a wrong turn on the way up, it is not a big deal as the trails join back together shortly, but the trail is on the right on the way up).
There is a video overview of the track we took here: https://youtu.be/sGcQmUSy7pQ