| BEHINDTHE | (& 15-down) Eclipsed by the rowers, Lucille is at a disadvantage (6,3,5,4) |
| DOWN | Treeless upland is at a disadvantage (4) |
| HENLEY | Casual top with a buttoned placket in the traditional style of the rowers of a regatta hosted in/near a town of the same name on the Thames (6) |
| STROKE | Touch of a paintbrush; a sound of a ticking clock; or, the rower nearest the stern of the boat (6) |
| EROTICA | Beethoven's Fourth eclipsed by the one before a exciting stuff? (7) |
| CEES | Mr Doorakkers, another top European eclipsed by the American dominance of the 1980s. (4) |
| VIOL | What instrument of the 15th-18th century was eclipsed by the violin? (4) |
| ATSEA | Is sailing off, in the main, but is at a loss (2,3) |
| SHAWM | Double-reed woodwind instrument popular in Europe in the medieval and Renaissance periods but subsequently eclipsed by the oboe (5) |
| DOWNANDOUT | At a disadvantage also striking at the end of one's resources (4-3-3) |
| DISCRIMINATE | Put at a disadvantage by detective's brief lawbreaking and a fair amount of hate (12) |
| REGATTA | A target for the rowers to get to? (7) |
| HEATDEATH | Condition of a closed system in which entropy is at a maximum and no energy is available for use (4,5) |
| YUMP | How delicious power is at a rally, getting off the ground |
| SHRINE | Hallowed by history Erin is at a quiet place |
| TRAUMATISE | It is at a muster and a nasty shock will be experienced there |
| BARRYSBAY | A Gibb brother's dark horse is at a Canterbury locality (6,3) |
| RAPIDEST | Sort of music that is at a higher tempo than the rest |
| CRACKDOWN | At a disadvantage after split caused by repressive measures |
| UPSIDEDOWN | In disarray at college, team at a disadvantage (6-4) |
