The most common and most likely answer to this crossword clue is the 2 plus 3 plus 4 plus 3 letter word IN THE LONG RUN
I've seen this crossword clue in Financial Times
I
N
T
H
E
L
O
N
G
R
U
N
More clues leading to the result IN THE LONG RUN
- Popular article to yearn to charge for eventually
- Eventually got from home to Marathon?
- Eventually entered for a marathon?
- Where distance takes its toll, ultimately
- Entering the marathon, but not for a while
- Doctor hunting loner ultimately
- Eventually becoming fashionable at that time to admit covering a great distance before game
- Where marathon racers compete some time later
- As veteran cast of Mousetrap finally revealed?
- Where marathoner might be seen eventually
Buddy explains!

The straight part
We know that "Eventually" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case eventually = in the long run.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.