We’re giving one lucky family the chance to win four tickets to see some of the best cyclists in the world compete at round one of the Revolution Series taking place at Lee Valley VeloPark in Queen Elizabeth Olympic Park tomorrow.

The tickets, worth £140 in total, will entitle their holders to watch the evening event on Friday, October 24. Doors open at 6pm.

All you have to do to be in with a chance of winning is answer the following question correctly and email your answer to londonmarketing@archant.co.uk by 10am on Friday, October 24.

What is the name of the Team GB women’s Olympic medal-winning cyclist who is an ambassador for the Lee Valley VeloPark?

a) Dani King

b) Laura Trott

c) Joanna Rowsell

T&Cs: Competition closes at 10am on October 24. One winner will be selected from all correct answers. The winner will be contacted after the closing date.

The prize is non transferable and no cash alternative will be offered. The prize entitles one family to watch the event starting at 6pm on Friday, October 24 only.

The prize must be redeemed by 24/10/14. By entering the competition you will automatically be subscribed to receive news and offers from Archant London, you may opt out at any time by visiting the link on all future email communication.

Full Archant terms and conditions apply. Please see www.visitleevalley.org.uk for terms and conditions.