Independent Arbitration Betting Service. An arbitration service that deals with betting disputes between punters and bookmakers.
- In running
Refers to events that take place during the course of a race.
- In-running betting
Betting on the outcome of a race during the race itself, rather than beforehand. This type of betting is particularly popular on the betting exchanges, though it is also offered by many bookmakers. In-running odds can change rapidly as the race unfolds.