The most common and most likely answer to this crossword clue is the 8 letter word HASTENED
I've seen this crossword clue in The Daily Telegraph
H
A
S
T
E
N
E
D
More clues leading to the result HASTENED
Buddy explains!

The straight part
We know that "Ran" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case ran = hastened.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 HASTENED mean?
HASTENED verb- To move or act in a quick fashion.
- To make someone speed up or make something happen quicker.
- To cause some scheduled event to happen earlier.