How do I solve 4 down in Times Cryptic 3295?

Question

Accepted Answer

4 down reads "Women’s rowing team boosting sport" (13 letters); the answer is WEIGHTLIFTING. It's a charade: the answer breaks into parts in clue order, each part clued by a word or short phrase. No indicators needed; watch for standard abbreviations (RA = artist, US = American, IN = at home) and short synonyms. The full step-by-step breakdown is on this page.

Women’s rowing team boosting sport (13)

4D — Women’s rowing team boosting sport (13) — WEIGHTLIFTING