The real answer is probably to have a helper. He or she will keep you from getting lonely along with helping you with the pull.
I have seen a fair number of electricians who do field installs of equipment try and do everything themselves. Probably to keep as much of the money they charge for themselves, and that is understandable. However, as often as not, it seems to me like they probably are taking longer then if they broke down and got some help. Even if it is just someone to run errands. having to go get parts or tools out of a truck that is a 20 minute round trip walk, wastes time. Having to go to home depot to get an extra outlet box takes time. A guy that is worth $100/hour or more should not be doing this kind of thing regardless of whether he is working for himself or someone else.
I once saw an electrician installing EMT under an overhead conveyor using a ladder. I asked him why he didn't get a lift. he said they cost money and I already have the ladder. The thing is that he probably spent far more time on that part of the job then he had to, and likely would have been ahead by renting a lift. Probably needed a helper too. he was using some kind of 2X4 arrangement he had cobbled up to get the EMT sticks in place under the bottom of the conveyor so he could climb up the ladder and secure them in place.