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Import marketing event participants

Last updated: November 25, 2025

Available with any of the following subscriptions, except where noted:

Use marketing events to capture your customers' online and offline event data, so you can track, compare, and assess how effective your event strategy is.

Learn how to manually create a marketing event and import event participants. You can import both existing and new contacts and associate them with the marketing event. For example, if you have ten existing HubSpot contacts that you want to add as attendees for a marketing event, you can import them into HubSpot to associate them to the marketing event. The participants' email addresses serve as unique identifiers, ensuring that their existing HubSpot records are updated and that duplicates are avoided. 

Create a marketing event

To create a marketing event:

  1. In your HubSpot account, navigate to Marketing > Events.
  2. In the upper right, click Create Marketing event
  3. In the right panel, enter the event name, description, type, start and end dates, and organizer.
  4. Click Create.

Prepare the import file

Please note the following requirements when setting up your import file:

  • File type: a .csv file is recommended.
  • Required headers: EmailAttendedRegisteredCancelled.

Screenshot showing an example of import file format for a marketing event.

Import event participants

To manually import marketing event participants:

  1. In your HubSpot account, navigate to Marketing > Events.
  2. Click the marketing event you want to add participants to.
  3. In the upper left, click ActionsImport event contacts
  4. Select the activities you want to import: Registered, Attended, or Cancelled. Then click Next
  5. Upload the file. Select how to import the objects and the file language. Then click Next.
  6. Map columns to event and contact properties. Then click Next.
  7. Confirm the name of your import file.
  8. Click the checkbox to agree that contacts expect to hear from you and that your import file doesn't include a purchased list. Learn more about HubSpot's acceptable use policy.
  9. Select the Date format and Time zone of the marketing event activity properties.
  10. Click the checkbox if you want for the contacts to be set as marketing contacts.
  11. Click Finish import.

After the import is complete, you can view the number of contacts who registered for, cancelled, and attended the marketing event on the event's page. Click each number to view the individual contacts. 

Screenshot showing the page of a marketing event in HubSpot, highlighting the registration, cancellation and attendance information.

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