There is no famous “Breakaway One” at 3:30 with a rating of 93 that produced a historic upset or notable race. Instead, it is likely a from the last 10–15 years in the UK or Ireland. To get the exact full result, you need the date and track – without those, the phrase remains an incomplete racing fragment.
If you have additional details (track name, date, or country), I can help locate the precise full result. breakaway one 3.30 93 full