Bet365 make Big Bucks their current 5/1 favourite for this Saturday's Hennessy Gold Cup, and new customers who register before the race can be assured of some big bucks themselves - £100 worth to be exact!

Simply register with bet365 and place one qualifying bet of £5 or more.  You will then be entitled to a free bet to the same stake (up to £25), with another £75 free bets to be earned in much the same way.

Your qualifying and free bets can be placed on any market you like - £25 on Big Buck's at the current price pays £125 or place a bet on the weekend game perhaps?  Click here to register and place your bets.

There are more free bucks available to bet365 customers (new and old alike) who back a winner at 4/1 or bigger in any race televised live on Channel 4 this weekend.

In this eventuality, bet365 will give you a free bet to the same stake (up to £50 per customer per race) on the next live Channel 4 race.

So, have £50 on Big Bucks (due off 2.40pm) and, providing he wins at 4/1 or bigger, have a £50 free bet on the 3.00 Newcastle, and so on.

Click here for your big bucks.