Handling your kayak yourself can be difficult at times. Here's what works for me -- have used this with the Adventure, Tandem and Classic.
Front view showing one hand in the drive well and the other grasping the inside of the cockpit:
Loading the longer boats can be made easier by using a two step process. Set one end on your rack and the other on the ground:
Keeping your kayak from slipping back, work your way back to the carying handle, lift and push!
If you have a way that works for you, especially if your rack arrangement is different, lets hear it.