What's a non-runner? A non-runner is a term commonly used in horse racing to identify when a selection that was due to run in a race has subsequently withdrawn. It can also be used across other sports to identify a selection that was due to compete in an event but subsequently did not take part. For more information, see our general rules here. If you need any further assistance, please see our contact details here. Related articles Contact us What's a Rule 4 deduction? What happens to my bet if my selection becomes a non-runner? Sports Betting Rules What happens to my goalscorer bet if the player goes off injured?