Historical clue formulations

• Units in horse racing — 2026-07-28
• Horse race measures — 2024-11-30
• Stretches — 2022-05-29
• Stretches — 2022-01-08
• Units in a horse race — 2020-02-15
• Units at a horse race — 2016-10-28
• Running times — 2004-02-27