to continue and go on and on for those 36 hours at a stretch.
in case you are planning a long run in the near future, this can form a good well supported training run. if you haven’t planned, then you should within a month or 40 days of a run like this. your training mileage will be easily taken care of.
your appreciation of time and what can you do with it is way higher. suddenly, one hour more of work seems like a cake walk, when earlier it used to feel like a lot of time. and you understand the importance of what you have done only after 36 hours 