I don't like carrying gear on my back for a very long distance. In this photo I've got gear for 3 on the cart. When I load it up with gear for one it's a nimble cart and has gotten me through the most difficult terrain and nasty bushwacks.
Cart photoThat doesn't answer your question but might get you thinking about other ways to move your gear besides on your back.
Several methods used on a mile walk to a tree, the rolling suitcase is not efficient but it was better than nothing.

And my favorite...

Large bicycle panniers work very well, 150' rope, NT harness, helmet, throwlines, lanyard, water etc. etc. all in the panniers:

-moss