In order to place a lengthen the odds bet:

1. Go to the betting market of any UK or Irish race from 11am, and you’ll find Lengthen The Odds.

2. Here you'll see the normal list of runners, however, by using the switch button, you can enable Lengthen The Odds feature.

3. Click the drop-down menu button below every selection and choose the winning distance.

4. Now you've chosen your winning distance, click 'Bet To Win By x Lengths Or More.' Then it will be added to your betslip, ready for you to place your bet.