The most common and most likely answer to this crossword clue is the 9 letter word MISMANAGE
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More clues leading to the result MISMANAGE
Buddy explains!

The straight part
We know that "run badly" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case run badly = mismanage.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does MISMANAGE mean?
MISMANAGE verb- To manage an area of responsibility in a way which is inept, incompetent, or dishonest.
- To behave, in a management capacity, in a manner which is inept, incompetent, or dishonest.