Cookies are small text files that websites place on the computers and mobile devices of people who visit them. 

These text files allow a website to remember your device and how you interacted with the content you viewed. This information is useful as it will help make websites work (or work more efficiently) as well as to provide information to the owners of the site.

Our use of cookies

The BiG Challenge website uses cookies to improve the quality of the service we offer. The tables below explain the cookies we use and why. We have also provided information on how to remove and opt out of all cookies below.

In case of difficulty, contact:

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Essential cookies

These cookies have been deemed necessary for the function of our website and will be left on your browser even if you opt-out of cookies via our cookies popup. By blocking these cookies from being set at a browser level, it could have unintended effects on your browsing experience.

Cookie Name Information Expiry
Cookie preference cookies This cookie stores your preference toward the use analytics cookies on our websites. The cookie is set when you respond to the cookie popup that appears at the bottom of the screen and is also used to keep the popup hidden while you have an active preference stored. This cookie expires in 1 month
Session ID PHPSESSID This cookie holds only a sequential session identification number and doesn't hold personal information. It is native to PHP and is used to establish a user session and to pass state data. This is necessary for teams and staff to access and edit information. This cookie expires when you close the browser

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Analytics cookies

The following cookies will only be left by our websites if you choose to accept cookies when prompted by the cookie popup (see ‘Cookie preference’ in the table above).

Cookie Name Information Expiry
Universal Analytics (Google) _ga
These cookies are used to collect information about how visitors use our websites. We use the information to compile reports and to help us improve the websites. The cookies collect information in an anonymous form, including the number of visitors to the websites and blogs, where visitors have come to the websites from and the pages they visited and we have disabled the collection of IP addresses. Read Google’s overview of privacy and safeguarding data _ga expires 13 months after your last visit to the website.
_ga_P86T3DKEV3 expires 13 months after your last visit to the website.
_gid expires 1 day after your last visit to the website.


We use Google Analytics to improve your experience on our site.


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Other cookies set by Third Party sites

To support our website and services, we sometimes embed photos and video content from other websites. As a result, when you visit a page with content embedded from, for example, YouTube, you may be presented with cookies from these websites. The BiG Challenge team and Sheffield City Council do not control the dissemination of these cookies. You should check the relevant third party website for more information about these.

Where possible we will use privacy-enhanced embedded content that does not track your information until you interract with it, but this cannot be guaranteed.

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Privacy policies of other websites

Our websites contain links to other websites, including those of our employer partners and external services used for booking events. Our privacy policy applies only to ourwebsites, so if you click on a link to another website, you should read their privacy policy.

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How to control and delete cookies

If you wish to restrict or block the cookies which are set by our website, or indeed any other website, you can do this through your browser settings. The Help function within your browser should tell you how.

Alternatively, you may wish to visit or which contain comprehensive information about cookies, including how to see what cookies have been set, how to delete them and how to block cookies on a wide variety of browsers. For information on how to do this on the browser of your mobile phone you will need to refer to your handset manual.

To opt out of being tracked by Google Analytics across all websites, visit

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Need more information?

Please email us on:

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