Placing an ante-post horse racing bet comes with risks, the biggest of which is that the selection is declared a non-runner in the lead-up to the race and the bet is marked as a loser.
Non-Runner No Bet (NRNB) is the concession betting sites use to soften that risk, with the promotion usually run in the lead up to and during major festivals, such as Cheltenham. Here's what NRNB actually covers, how it differs from standard ante-post terms, and when you are likely to find it on offer.
