| GOTHEEXTRAMILE | Put in additional effort? That would be foolish during marathon |
| SILL | Door base that would be foolish on a ponytail! (4) |
| MORGUE | First couple of guests put in additional room kept cold! |
| RAIDERS | One put in additional clauses for commandos (7) |
| SENSELESS | Feel a smaller amount would be foolish |
| EXTRAWORK | Additional effort required in small parts (5,4) |
| OVERDRIVE | Additional effort finished Verdi off |
| OVERKILL | Effort that seems to go farther than would be necessary to achieve its goal (8) |
| RUNNINGSTITCH | Joiner in pain during marathon? (7,6) |
| ABSURD | To be foolish, is to be what (6) |
| INANE | It would still be foolish if son were involved |
| RUIN | Physical collapse I encountered during marathon, perhaps |
| DAMONRUNYON | Writer's block, possibly during marathon year performingr |
| TENTS | Shelters used during Marathon des Sables events or for camping (5) |
| INTHELONGRUN | Eventually during marathon (2,3,4,3) |
| RUNNINGMATE | Fellow candidate, company during marathon (7,4) |
| REDINTHEFACE | Flushed Spooner took nourishment during marathon (3,2,3,4) |
| CANNEDFOODDRIVE | Charitable effort that involves raiding the pantry |
| CENSUS | Counting effort that takes place every 10 years |
| TRIESTO | Hopes, with some effort, that one will |
