What does the cryptic crossword clue "Part of race abandoned, which is right for spectators (5,4)" mean?

The wordplay uses a hidden word. STAGE (synonym="‘part of race’") + LEFT (synonym="‘abandoned’") = STAGELEFT The answer is STAGELEFT.

Part of race abandoned, which is right for spectators (5,4)

Guardian Cryptic #29445 | 13 Across | 2024-07-26 flower