Related Clues:
- Sporting person
- Sport participant
- The old man, not the first or last that's allowed to enter as competitor
- Eg long jumper, floppy hat, and ultimately kit in general
- Runner worried about the line being moved
- Post distribution point
- Who's permitted to enter running heat?
- Field figure
- Numbered compartment for mail
- Many a bus. address, and a literal hint to 18-, 25-, 47- and 63-Across
- Wheaties box figure
- Popular address by party leader to opposition leader leads to a fight
- Runner allowed to enter the re-run heat
- Informal abbreviation for a DJ
- One who runs out of breath - let escape?