The most common and most likely answer to this crossword clue is the 3 plus 4 letter word PIT STOP
I've seen this crossword clue in The Guardian
P
I
T
S
T
O
P
More clues leading to the result PIT STOP
- A break from the wheel of vessel rolling by stormy spit
- Mine’s best chance to refuel
- When a car refuels, containers fall over
- Rest a load and lean back
- . Sounds like Brad’s the best for a mini break
- Pause during race to turn top on damaged post
- Break from driving with small puncture in Minehead
- 13 25 a’cross’s novel pause for repair
- GP changing time of visit following cutback suggestion
- Mark’s leading at pause in racing
Buddy explains!

The straight part
We know that "Pause during race" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case pause during race = pit stop.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.