Surah Al-Waqi'ah 56:10

وَٱلسَّـٰبِقُونَ ٱلسَّـٰبِقُونَ

And the forerunners, the forerunners -

Translation: Saheeh International

Tafsir

And the foremost in the race to do good namely the prophets al-sābiqūna is a subject the foremost this repetition is to emphasise their exalted status; the predicate is the following ūlā’ika’l-muqarrabūna

Excerpt from Tafsir al-Jalalayn, commentary on 56:10, via Quran.com. The reader has the full commentary and 9 more tafsirs.