The most common and most likely answer to this crossword clue is the 6 plus 2 plus 7 letter word LEAGUE OF NATIONS
I've seen this crossword clue in Independent
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More clues leading to the result LEAGUE OF NATIONS
- Pacific group about to enter long-distance races
- A felonious agent disrupted intergovernmental organisation
- Old pacifists carving a nose flute in Goa
- Measure of changes in Nato’s international organisation
- Old world meeting for races covering about three miles
- What could be too unfeeling as a worldwide organisation
- Post-WWI coalition saluting a foe, one failing
- A felonious agent corrupted worldwide body once
Buddy explains!

The straight part
We know that "Pacific group" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case pacific group = league of nations.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.