Most races have an overround (bookmakers margin) of 2% a runner, sometimes less in races with many runners. Many betting shop punters have described these races as 'animal roulette' since the bookmaker knows exactly the chance of each dog winning. This opportunity to bet through does go with an edge to the house. Virtual Racing tracks include Portman Park, Steepledowns, Sprintvalley, Lucksin' Downs, Race Of Champions(exclusive to Ladbrokes), Hope Park, Canterbury Hills, Sandy Lanes and Home Straights (all four exclusive to William Hill) for the virtual horse enthusiast, whilst virtual greyhounds have tracks called Brushwood, Millersfield, Trapton Park and Mutleigh Cross amongst others. The races include virtual dog racing and virtual horse racing. They offer punters the opportunity to place a wager on racing even after the day's race coverage, then watch the race on a TV screen. Virtual racing is an offering from the 'Big Four' bookmakers in the United Kingdom, along with some smaller firms. ( Learn how and when to remove this template message) JSTOR ( May 2007) ( Learn how and when to remove this template message).Unsourced material may be challenged and removed.
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