Possible Clues:

• *Onset of a lie?
• Unsuccessful beginning
• Running too quickly?
• In which runner is seen to have jumped the gun
• Pretence of being surprised?
• In which someone jumps the gun
• Unsuccessful attempt to begin a race
• In the course of events, it may lead to total recall
• Reason for a track delay
• Sprinter's before-the-gun error