A non-runner in horse racing is a horse that, despite being initially declared for a race, is withdrawn before the start. This means the horse won't be participating in the race.

How do Cheltenham non-runners affect my bet?

• Stakes placed before the cut-off dates may be treated as losses on non-runners.
• Bets placed closer to race day when declarations are settled usually see the non-runner’s bet line voided.
• If a horse in the final declarations fails to start, Rule 4 (Tattersalls Rule 4) may apply:
  - Tattersalls Rule 4 is applicable in cases where a horse is withdrawn not coming under the starter’s orders or is officially deemed by the starter not to have taken part in the race.

How is this calculated?
Tattersalls Rule 4  deducts a set value from winning bets (net winnings) to compensate for the withdrawal of a horse in a specific race. The size of the deduction is determined by the odds that the horse has at the time of its withdrawal. The value is an amount per pound up to 90p maximum (90% of winnings)

More information regarding Tattersalls Rule 4 can be found in our Terms and Conditions under Sports Terms > Section B General Betting Rules > 6. Tattersalls Rule 4.