Possible Clues:

• Ski
• On second thought, make it a grim futuristic epic: 'Zorro, the Gay Blade...'
• Athletic smuggler?
• This could get up for a second
• Athlete; narrow rug
• Scout's idea that might be taken on?
• After one in 1 across it's more like 21 across, perhaps
• Shoot, messenger
• To be in the race might make one scarlet in the garden
• Messenger carrying name in letter to king