Related Clues:
- Sped with expert in road extremes
- Behaved like a lovestruck heart
- Stood for office
- Sprinted against others
- Entered a primary, say
- Did a 5K, say
- One captured by RN fled
- Operated, as a machine
- Migrated upstream
- Trafficked in
- Was in the paper
- Published in a paper
- With 64-Across, chanced upon, and this puzzle's theme
- Was dashing, perhaps
- Executed, as software