The phrase "before getting back" is grammatically correct and can be used in written English.
Example: "I need to finish this report before getting back to you with my final decision."
Even so, the City should not wait for perfection before getting back onto the front foot.
He then took several moments to gather himself before getting back into the batter's box.
You'd sit for an hour before getting back in the game.
Gibbons decided to make a pit stop, before getting back in the car.
The couple lingered in the mild afternoon before getting back in their car.
We finished with some soft ice cream before getting back in the car to come back to the office.
I fell off the vegetarian wagon for two years before getting back on.
"I think I'll only take one week off before getting back to training," she said.
Before getting back on the bus, the "missing" tourist had apparently changed her clothes and "freshened up".
We agreed he probably was, before getting back to what we thought more important, reporting on Bush.
After Lloyd finished, everyone applauded, then lined up for soft pretzels and hot dogs, before getting back to work.
