Related Clues:

• Pure-bred descent
• Chaser or otherwise ultimately whipped?
• Breeding; descent
• Careers madly round house for something to put shirt on?
• Lord having no right to accept jibe about ancestry
• Family, edgier unfortunately, following gym
• Kennel club requirement
• Runner in botched research inhales oxygen
• Hurdler, perhaps, or chaser, unfortunately last of twelve
• What a jockey rides
• Hear score changes for runner
• Jockey chose rare animal bred for speed
• Family secure involvement of detective and free missing female
• Speedy animal such as Man o' War
• Pie demolished with greed? It runs in the family!