Lengthen Your Odds on all UK races

Lengthen Your Odds is a special betting market that William Hill offers on horse races in the UK.

Place a single win bet on any race in this market and you will be able to boost your odds by predicting the winning margin of your selection.

How William Hill Lengthen Your Odds works

William Hill’s Lengthen Your Odds is not a betting special, but rather a special horse racing market that applies to UK racing.

When you select the market you will get a list of horses competing in the race, along with options to back your select winning the race. Odds are offered on each horse winning the race by:

  • 1 length
  • 2 lengths
  • 3 lengths
  • 4 lengths
  • 5 lengths

The bigger the margin of victory you predict, the higher the odds on offer. Picking your horse to win by 5 lengths will offer a payout several times higher than backing your horse in the straight win market.

When betting on the William Hill Lengthen Your Odds market bear in mind that this bet is effectively a ‘hidden’ accumulator bet, combining two separate bets – winner and winning margin – into one bet.

William Hill Lengthen Your Odds FAQ

What does lengthen your odds mean at William Hill?

At William Hill lengthen your odds means increasing the odds on offer on your selection in a race by backing them to not only win the race, but to do so by a specific margin – for example 2 lengths. You can lengthen your odds on any horse in any race in the UK by opening the Lengthen Your Odds betting market on the William Hill website or app.

Terms and conditions

1. Rules/Terms

  • Lengthen Your Odds is available on UK horse racing from 10am on the day of the race.
  • Lengthen Your Odds markets are singles only markets. Multiple bets will not be available.
  • In the event of non-runners, William Hill may remove the availability of a Lengthen Your Odds markets.
  • Rule 4’s will apply to all Lengthen Your Odds markets in the event of non-runners.
  • Your bet is a winner if the horse wins by over the distance stated.
  • The market is settled on the official result.
  • William Hill reserves the right to remove the availably of any Lengthen Your Odds market.
  • Other concessions do not apply to this market

2. General restrictions

a. We expect you to be fair when you bet on these markets. We consider certain types of play to be unfair and to break these terms and conditions. These unfair types of play include the following.

  • Using ‘minimal risk wagering patterns’ (that is, a set pattern of bets or stakes that unfairly minimises risks).
  • Using more than one account in order to place additional bets on these markets.
  • Betting on these markets when they are not available in the country you live in.
  • Colluding with other customers (that is, plotting with others to gain an unfair advantage).
  • Using more than one account per person, per household or per IP address.

b. If you take part in any play that we consider to be unfair, we may cancel any bonuses or promotions applied to your account, reclaim any bonus you have received as part of any promotion we have cancelled, and either:

  • Settle bets at the correct odds, not the bonus or promotion odds;
  • void any free bets or bets funded by a bonus (that is, treat them as if they had never been placed); or
  • remove any winnings relating to any bonus.


3. General conditions

a. Regardless of anything else set out in these terms and conditions, you can withdraw funds from your main balance at any time, except where we must withhold the funds to meet our legal or regulatory obligations.
b. You cannot place bets on these markets if we have previously banned you from taking part in promotions, or from betting or playing any games on our website.
c. We can withhold or refuse to pay any winnings from a bet if funds you paid into your main balance (including any amounts you have already used) are cancelled or denied by any payment service (for example, your card provider).
d. We can change or cancel these markets, or change these terms and conditions:
*without giving you notice, if the change or cancellation is needed because of any change in law or regulation; or
*by giving you notice beforehand, if the change or cancellation is for any other valid reason (for example, if there is a fault in the software or systems we use to provide these markets, or we identify a mistake in these markets or these terms and conditions).
e. We will not be responsible for any technical, hardware or software failures, or any unavailable or lost network conditions which may result in incorrect information being displayed, or affect your ability to enter or take part in betting on these markets. If there is any dispute over your eligibility to bet on these markets, our decision will be final.
f. Your use of our website, and your gaming or betting, is governed by our terms and conditions of using our website or telebetting service (the general terms). You must read the general terms and these terms and conditions before you take part in this promotion. If any of these terms and conditions conflict with the general terms, these terms and conditions will apply.
g. These terms and conditions are governed by, and interpreted in line with, the laws of England and Wales. Any legal action in connection with these terms and conditions will be dealt with in the courts of England and Wales.
h. These markets are offered, managed and made available on our website (williamhill.com) by us, WHG (International) Limited.

Additional Terms and Conditions

Conversion rates
When we convert currencies, we consider £10 to be equal to:

  • €10 (euro)
  • AU$20 (Australian dollar)
  • CA$20 (Canadian dollar)
  • CHf15 (Swiss franc)
  • Kr80 (Danish krone)
  • HK$115 (Hong Kong dollar)
  • ¥1300 (Japanese yen)
  • Kr120 (Swedish krona)
  • S$20 (Singapore dollar)
  • US$10 (US dollar)

1. General restrictions

a. We expect you to be fair when you take part in promotions. We consider certain types of play to be unfair and to break these terms and conditions. These unfair types of play include the following.

  • Using ‘minimal risk wagering patterns’ (that is, a set pattern of bets or stakes that unfairly minimises risks).
  • Using more than one account in order to get more than the number of bonuses allowed for each customer.
  • Sharing personalised promotions (that is, promotions only available to specific customers we offer them to) with others. This includes taking part in any personalised promotion forwarded to you by someone else when it was not intended for you.
  • Taking part in a promotion that is not available in the country you live in.
  • Colluding with other customers (that is, plotting with others to gain an unfair advantage).
  • Using more than one account per person, per household or per IP address.

b. If you take part in any play that we consider to be unfair, we may cancel any bonuses or promotions applied to your account, reclaim any bonus you have received as part of any promotion we have cancelled, and either:

  • settle bets at the correct odds, not the bonus or promotion odds;
  • void any free bets or bets funded by a bonus (that is, treat them as if they had never been placed); or
  • remove any winnings relating to any bonus.

2. General conditions

a. Regardless of anything else set out in these terms and conditions, you can withdraw funds from your main balance at any time, except where we must withhold the funds to meet our legal or regulatory obligations.

b. You cannot take part in this promotion if we have previously banned you from taking part in promotions, or from betting or playing any games on our website.

c. We can withhold or refuse to pay any winnings from a bonus if funds you paid into your main balance (including any amounts you have already used) are cancelled or denied by any payment service (for example, your card provider).

d. We can change or cancel this promotion, or change these terms and conditions:

  • without giving you notice, if the change or cancellation is needed because of any change in law or regulation; or
  • by giving you notice beforehand, if the change or cancellation is for any other valid reason (for example, if there is a fault in the software or systems we use to provide this promotion, or we identify a mistake in this promotion or these terms and conditions).

We can also award an equivalent bonus to the one referred to in this promotion.

e. We will not be responsible for any technical, hardware or software failures, or any unavailable or lost network conditions which may result in incorrect information being displayed, or affect your ability to enter or take part in the promotion. If there is any dispute over your eligibility for the promotion, our decision will be final.

f. Your use of our website, and your gaming or betting, is governed by our terms and conditions of using our website or telebetting service (the general terms). You must read the general terms and these terms and conditions before you take part in this promotion. If any of these terms and conditions conflict with the general terms, these terms and conditions will apply.

g. These terms and conditions are governed by, and interpreted in line with, the laws of England and Wales. Any legal action in connection with these terms and conditions will be dealt with in the courts of England and Wales.

h. This promotion is offered, managed and made available on our website (williamhill.com) by us, WHG (International) Limited.

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