There is an additional set of fields that can be required as part of a TeamRaiser registration.  You can make edits to this list in the event's Advanced Options:
  1. Navigate to Fundraising > Select TeamRaiser.
  2. Find the TeamRaiser and click Edit.
  3. Navigate to step 3. Select Event Options.
  4. Under Related Actions, click Edit Advanced Options.
  5. Click Define Event Options.
  6. Scroll down to Required Registration Fields and deselect the extra required fields (ADDRESS, PHONE, BIRTHDATE, GENDER). Fields that are highlighted will be pre-selected in the participation type's registration information.