The participant center URL is usually formatted as one of the two following URLs:
where "foo" is the site's shortname and "xxxx" is the TeamRaiser ID or is the site's URL. You can confirm which format your site uses by navigating to the greeting page for the corresponding TeamRaiser event.

Another way to find out the specific link:
  1. Navigate to Fundraising > TeamRaiser
  2. Click Manage under the Actions column beside the event name
  3. Select the Status tab
  4. Click the hyperlink for 'Participant Center'