Related Clues:

• One in it for the long run?
• Someone beaming, heading off track athlete?
• Some adjudicator eliminated rising athlete
• Some spectator eliminates rising athlete
• Distance runner who aptly crosses the last 4 letters of 64-Across
• Sender of message dispatching a runner
• 1,760-yard runner
• Runner of four-minute races
• Runner in early event not starting back
• *Athlete running 5,280 feet (or the other way, second run of crew practice)
• One may run four laps
• Middle-distance runner, like Roger Bannister or Hicham El Guerrouj
• Athlete who looks happy, though not first
• Roger Bannister, famously
• Bib wearer outdoors