- CLASS DROP WITH LAYOFF
- Clipped Heels
- Clocker
- Close Up
- Closed Fast
- Closed Willingly
- Closed With A Rush
- Closer
- CLOSER IN PACE DUEL
- Clubhouse Turn
- COLD JOCKEY
- COLD TRAINER
- Colt
- CONSECUTIVE FORM SURGE
- CONSISTENT WORK PATTERN
- Consolation
- Contended
- CUTBACK SPECIALIST
- Daily Double
- Dam
- Dead Heat
- Dead Rail
- DECLINING FINISH POS
- DECLINING SPEED AND CLASS
- Derby