# Big Team Challenge Help > Get help participating in and running a Big Team Challenge. ## Using Big Team Challenge - [What is my challenge website address?](https://help.bigteamchallenge.com/en/articles/152954-what-is-my-challenge-website-address.md) - [What permissions does the Big Team Challenge iOS & Android app request?](https://help.bigteamchallenge.com/en/articles/152980-what-permissions-does-the-big-team-challenge-ios-android-app-request.md): Find out about the permissions our app requests - [What can I do in the app?](https://help.bigteamchallenge.com/en/articles/152986-what-can-i-do-in-the-app.md): Find out about the Big Team Challenge app's features - [Video tutorials](https://help.bigteamchallenge.com/en/articles/153003-video-tutorials.md): A range of video tutorials for new users - [Can I check the status of your systems?](https://help.bigteamchallenge.com/en/articles/153004-can-i-check-the-status-of-your-systems.md): View our status page to see if there are any problems with Big Team Challenge - [Register to take part](https://help.bigteamchallenge.com/en/articles/153006-register-to-take-part.md): Find out how to register to take part in a challenge. - [Having problems with the registration access code?](https://help.bigteamchallenge.com/en/articles/153008-having-problems-with-the-registration-access-code.md): Find out what to do if you're having problems registering for the challenge. - [My Security Token has expired or is invalid. What does this mean?](https://help.bigteamchallenge.com/en/articles/153018-my-security-token-has-expired-or-is-invalid-what-does-this-mean.md): Find out what this error message means. - [I've created a second account by mistake. How do I delete it?](https://help.bigteamchallenge.com/en/articles/153019-i-ve-created-a-second-account-by-mistake-how-do-i-delete-it.md): Find out how to delete a second account. - [How do I comment on a News Post?](https://help.bigteamchallenge.com/en/articles/629096-how-do-i-comment-on-a-news-post.md) - [How to use the activity conversion feature](https://help.bigteamchallenge.com/en/articles/152953-how-to-use-the-activity-conversion-feature.md) - [Fixing Garmin Connect sync issues](https://help.bigteamchallenge.com/en/articles/152955-fixing-garmin-connect-sync-issues.md) - [Fixing Fitbit sync issues](https://help.bigteamchallenge.com/en/articles/152956-fixing-fitbit-sync-issues.md) - [Fixing Health Connect sync issues](https://help.bigteamchallenge.com/en/articles/152957-fixing-health-connect-sync-issues.md) - [Fixing Apple Health sync connection issues](https://help.bigteamchallenge.com/en/articles/152958-fixing-apple-health-sync-connection-issues.md) - [Syncing with Health Connect](https://help.bigteamchallenge.com/en/articles/152960-syncing-with-health-connect.md): Find out more about how to sync your steps from Health Connect on Android - [How do I delete distance entries?](https://help.bigteamchallenge.com/en/articles/152973-how-do-i-delete-distance-entries.md): Find out how to delete incorrect distance entries - [How do I view my daily activity?](https://help.bigteamchallenge.com/en/articles/152975-how-do-i-view-my-daily-activity.md): Find out how to view your activity for each day of the challenge - [Adding your distance manually](https://help.bigteamchallenge.com/en/articles/152981-adding-your-distance-manually.md): Find out how to add manual distance to the challenge - [Syncing with Samsung Health](https://help.bigteamchallenge.com/en/articles/152995-syncing-with-samsung-health.md): Information for Samsung Health users - [Syncing with Apple Health](https://help.bigteamchallenge.com/en/articles/152996-syncing-with-apple-health.md): Find out more about how to sync your steps via Apple Health - ["Already connected to another tracker error" message](https://help.bigteamchallenge.com/en/articles/152998-already-connected-to-another-tracker-error-message.md): Find out how to resolve this error. - [Syncing with Garmin Connect](https://help.bigteamchallenge.com/en/articles/152999-syncing-with-garmin-connect.md): How to connect your Garmin account to sync steps automatically - [How do I amend or delete activity entries?](https://help.bigteamchallenge.com/en/articles/153000-how-do-i-amend-or-delete-activity-entries.md): Learn how to change and remove activity entries you added by mistake. - [How do I track my steps?](https://help.bigteamchallenge.com/en/articles/153010-how-do-i-track-my-steps.md): How challenge participants track their steps and sync their devices. - [Syncing with Fitbit](https://help.bigteamchallenge.com/en/articles/153012-syncing-with-fitbit.md): Find out how to sync your steps from Fitbit - [Can I sync from Polar?](https://help.bigteamchallenge.com/en/articles/262287-can-i-sync-from-polar.md): Find out how to sync your steps from your Polar device. - [Fitbit is transitioning to Google Health](https://help.bigteamchallenge.com/en/articles/676129-fitbit-is-transitioning-to-google-health.md): Find out about the migration from Fitbit to Google Health - [Fixing Google Health sync issues](https://help.bigteamchallenge.com/en/articles/681756-fixing-google-health-sync-issues.md) - [How do I update my timezone?](https://help.bigteamchallenge.com/en/articles/152977-how-do-i-update-my-timezone.md): Find out how to update your timezone - ["That email domain is invalid" error](https://help.bigteamchallenge.com/en/articles/152988-that-email-domain-is-invalid-error.md): What does the "That email domain is invalid" error message mean? - [How do I change my email address?](https://help.bigteamchallenge.com/en/articles/189276-how-do-i-change-my-email-address.md): Find out how to change your registered email address - [Contact customer support](https://help.bigteamchallenge.com/en/articles/152990-contact-customer-support.md): Find out how to contact our customer support team - [Deleting your account](https://help.bigteamchallenge.com/en/articles/153007-deleting-your-account.md): Find out how to delete your account via the challenge website and app. - [I've forgotten my password / reset my login](https://help.bigteamchallenge.com/en/articles/153009-i-ve-forgotten-my-password-reset-my-login.md): Find out how to get access to your account if you've forgotten your password. - [How do I update my display name and my profile picture/avatar?](https://help.bigteamchallenge.com/en/articles/153021-how-do-i-update-my-display-name-and-my-profile-picture-avatar.md): Find out how to update your display name and profile picture. - [How do I unsubscribe from notifications?](https://help.bigteamchallenge.com/en/articles/584949-how-do-i-unsubscribe-from-notifications.md) - [How do the average leaderboards work?](https://help.bigteamchallenge.com/en/articles/152968-how-do-the-average-leaderboards-work.md): Find out how our average distance/steps leaderboards are calculated - [How do I create a team?](https://help.bigteamchallenge.com/en/articles/152985-how-do-i-create-a-team.md): Find out how to create your team - [What happens when my team completes the route?](https://help.bigteamchallenge.com/en/articles/152994-what-happens-when-my-team-completes-the-route.md): Find out what happens if your team completes the route before the challenge ends. - [How do I delete my team?](https://help.bigteamchallenge.com/en/articles/153002-how-do-i-delete-my-team.md): Find out how to delete your team from the challenge website and app. - [How do I add people to my team?](https://help.bigteamchallenge.com/en/articles/153011-how-do-i-add-people-to-my-team.md): Find out how to add or invite people to your team. - [How do I edit my team name / title?](https://help.bigteamchallenge.com/en/articles/153013-how-do-i-edit-my-team-name-title.md): Find out how to edit your team. - [Leaving a team](https://help.bigteamchallenge.com/en/articles/153014-leaving-a-team.md): Find out how to leave your team. - [How do I cancel pending invites?](https://help.bigteamchallenge.com/en/articles/153015-how-do-i-cancel-pending-invites.md): Find out how to cancel a pending team invite. - [Why do I see the error "You cannot invite this recipient"?](https://help.bigteamchallenge.com/en/articles/153016-why-do-i-see-the-error-you-cannot-invite-this-recipient.md): Find out what to do if you receive this error. - [How do I chat with my team?](https://help.bigteamchallenge.com/en/articles/208280-how-do-i-chat-with-my-team.md) ## Administration for Challenge Organisers - [Can people sign-up to take part in our Big Team Challenge before the challenge begins?](https://help.bigteamchallenge.com/en/articles/153025-can-people-sign-up-to-take-part-in-our-big-team-challenge-before-the-challenge-begins.md): Your participants can register as soon as the challenge is published. - [Challenge Checklist](https://help.bigteamchallenge.com/en/articles/152991-challenge-checklist.md): Find out everything you should check before launching your challenge - [Closing registrations for your challenge](https://help.bigteamchallenge.com/en/articles/152992-closing-registrations-for-your-challenge.md): Find out how to stop new participants from registering - [Changing your challenge's team size](https://help.bigteamchallenge.com/en/articles/152993-changing-your-challenge-s-team-size.md): Find out how to change the maximum team size - [Branding your challenge](https://help.bigteamchallenge.com/en/articles/152997-branding-your-challenge.md): How can you add your own branding/logo to your Big Team Challenge? - [Can I try a demo?](https://help.bigteamchallenge.com/en/articles/153005-can-i-try-a-demo.md): Play around with our demo to see how it works - [Administering and managing teams](https://help.bigteamchallenge.com/en/articles/153020-administering-and-managing-teams.md): Find out how to administer your challenge's teams. - [Use an passcode / access code to secure your challenge](https://help.bigteamchallenge.com/en/articles/153022-use-an-passcode-access-code-to-secure-your-challenge.md): Find out how to "lock" your challenge with an access code - [Sending out challenge news & updates](https://help.bigteamchallenge.com/en/articles/153023-sending-out-challenge-news-updates.md): Find out how to send our challenge updates to all of your participants - [What leaderboards can participants see?](https://help.bigteamchallenge.com/en/articles/153024-what-leaderboards-can-participants-see.md): Find out our challenge leaderboards - [How does the grace period work?](https://help.bigteamchallenge.com/en/articles/152952-how-does-the-grace-period-work.md) - [Do we need to let our participants know when the challenge has started?](https://help.bigteamchallenge.com/en/articles/153026-do-we-need-to-let-our-participants-know-when-the-challenge-has-started.md): You should send a message to your participants once the challenge starts. - [How do I get started?](https://help.bigteamchallenge.com/en/articles/153027-how-do-i-get-started.md): Find out how to get started with Big Team Challenge. - [Can I choose when our challenge will start and how long with it last?](https://help.bigteamchallenge.com/en/articles/153028-can-i-choose-when-our-challenge-will-start-and-how-long-with-it-last.md): Our challenge durations are completely flexible and customisable. - [Must participants enter their distances in steps?](https://help.bigteamchallenge.com/en/articles/153029-must-participants-enter-their-distances-in-steps.md): Activity can be entered in steps, miles or kilometers. - [Can our participants sync their activity trackers with Big Team Challenge?](https://help.bigteamchallenge.com/en/articles/153030-can-our-participants-sync-their-activity-trackers-with-big-team-challenge.md): How do your participants add their distance? - [What happens when a participant adds the distance they have walked/cycled?](https://help.bigteamchallenge.com/en/articles/153031-what-happens-when-a-participant-adds-the-distance-they-have-walked-cycled.md): Find out what happens when a participant adds distance. - [Can I designate someone to be a challenge administrator?](https://help.bigteamchallenge.com/en/articles/153032-can-i-designate-someone-to-be-a-challenge-administrator.md): Find out how to give a user admin privileges. - [What information do participants need to provide?](https://help.bigteamchallenge.com/en/articles/153033-what-information-do-participants-need-to-provide.md): Participants only need to enter their name and email address. - [How do I download information about my participants and teams?](https://help.bigteamchallenge.com/en/articles/153034-how-do-i-download-information-about-my-participants-and-teams.md): Find out how to download spreadsheets containing information about your participants and teams. - [Adding an external link](https://help.bigteamchallenge.com/en/articles/152987-adding-an-external-link.md): Find out how to add an external link to your challenge website and our app - [How do challenge timezones work?](https://help.bigteamchallenge.com/en/articles/152951-how-do-challenge-timezones-work.md) - [Sharing your challenge on social media](https://help.bigteamchallenge.com/en/articles/152962-sharing-your-challenge-on-social-media.md): How to set a hashtag to make sharing your challenge easier on social media. - [Transferring challenge ownership](https://help.bigteamchallenge.com/en/articles/152963-transferring-challenge-ownership.md): Find out how to transfer challenge site ownership if the original admin leaves your organisation - [Linking fundraising to your challenge](https://help.bigteamchallenge.com/en/articles/152964-linking-fundraising-to-your-challenge.md): Find out how to link Big Team Challenge to your fundraising page - [Including HTML content in your challenge News Posts](https://help.bigteamchallenge.com/en/articles/152965-including-html-content-in-your-challenge-news-posts.md): What HTML tags you can include in your Challenge Posts - [Adding activity on behalf of a participant](https://help.bigteamchallenge.com/en/articles/152966-adding-activity-on-behalf-of-a-participant.md): Learn how to add activity/distance on behalf of one of your participants - [Moving a participant to another team](https://help.bigteamchallenge.com/en/articles/152969-moving-a-participant-to-another-team.md): Find out how to move a participant from one team to another. - [What are Big Team Challenge's system requirements?](https://help.bigteamchallenge.com/en/articles/152970-what-are-big-team-challenge-s-system-requirements.md): Find our about system requirements for our web and app platforms - [Controlling which leaderboards are visible in your challenge](https://help.bigteamchallenge.com/en/articles/152971-controlling-which-leaderboards-are-visible-in-your-challenge.md): Find out how to change which leaderboards are shown to your participants - [How do I enable chat on my challenge?](https://help.bigteamchallenge.com/en/articles/208279-how-do-i-enable-chat-on-my-challenge.md): Find out about our Team Chat feature - [Challenge Achievements/Awards](https://help.bigteamchallenge.com/en/articles/152974-challenge-achievements-awards.md): See what achievement awards are available to your participants - [Imagery asset sizes](https://help.bigteamchallenge.com/en/articles/152976-imagery-asset-sizes.md) - [Security practices](https://help.bigteamchallenge.com/en/articles/152978-security-practices.md): Find answers to common security, privacy and access technical questions - [Is Big Team Challenge available worldwide?](https://help.bigteamchallenge.com/en/articles/152979-is-big-team-challenge-available-worldwide.md): Find out about using Big Team Challenge in different countries - [What's the difference between the map modes?](https://help.bigteamchallenge.com/en/articles/152982-what-s-the-difference-between-the-map-modes.md): Find out which map mode will work better for your challenge - [Adding custom registration fields/questions](https://help.bigteamchallenge.com/en/articles/152983-adding-custom-registration-fields-questions.md): Find out how to add custom registration fields to your users' sign up journey - [Choosing activity types for your challenge](https://help.bigteamchallenge.com/en/articles/152984-choosing-activity-types-for-your-challenge.md): Find out about the different activity types available for your challenge. - [Adding a landing page welcome message](https://help.bigteamchallenge.com/en/articles/152989-adding-a-landing-page-welcome-message.md): Find out how to add a welcome message to your challenge landing page - [Privacy and GDPR](https://help.bigteamchallenge.com/en/articles/153353-privacy-and-gdpr.md): Read more about our privacy policy and GDPR compliance - [Participation in second/subsequent challenges](https://help.bigteamchallenge.com/en/articles/203325-participation-in-second-subsequent-challenges.md): Find out how to see if your participants wish to take part in an upcoming challenge - [Who will receive your News Posts?](https://help.bigteamchallenge.com/en/articles/236462-who-will-receive-your-news-posts.md): News Posts can be sent to all registered users or only people in a team or interested in the current challenge - [How steps are measured, converted and displayed](https://help.bigteamchallenge.com/en/articles/274344-how-steps-are-measured-converted-and-displayed.md) - [What emails will my participants receive?](https://help.bigteamchallenge.com/en/articles/319028-what-emails-will-my-participants-receive.md) - [How do I enable comments on a News Post?](https://help.bigteamchallenge.com/en/articles/629103-how-do-i-enable-comments-on-a-news-post.md): Find out how to build engagement with your News Posts - [Can we limit manual activity entry?](https://help.bigteamchallenge.com/en/articles/673630-can-we-limit-manual-activity-entry.md): Find out about options for limiting and moderating manual distance entries