casino gaming for the first 24 hours you spend on TwinSpires Looking for promotions offers and bonus opportunities with the best place to. Sign up to William Hill using promo code R30, bet £10 and get 3 x £10 free bets. From on 3x £. Play Safe. Use promo code MATCH to earn up to a $ deposit match, and bet any track, anywhere, any time. $ NEW MEMBER BONUS. . 18+.