You are doing great. This can be done
Embrace that it's going to be a chore until you find your maintaining zone. How many meals are you eating to consume 1500 to 1600 calories? Increase your meals again to hit 1700 or more.
I distance run and have the sleeve. It takes me all day to get in 2500+ calories. I carb load for seven days before a half or full marathons. It's chore. But, it's necessary to stay healthy.