More Lucky 15 tips today to add to your betting slips on Sunday 31st July, as Andy Newton gives you his four horse racing best bets from across the UK meetings at Chester and Market Rasen today. Best Horse Racing Betting Offers & Free Bets Already claimed these betting offers? You can check out the best horse racing betting sites and add more top bookmakers to your portfolio. Back today’s Lucky 15 tips in an acca @ 20/1 with BetUK (click the betslip below). Plus, why not work out what today’s picks could win by using our Lucky 15 bet calculator for free? Here are our four best horse racing tips to include in your Lucky 15 bet slip, plus join the BetUK ‘Acca Club’ and get 5 profit boosts to use on accas with different numbers of selections (Ts&C’s apply), plus Bet £10 and Get a £30 ...