You have a Kintera Thon setup with the Give button under the thermometer enabled. This Give button lands on the General Donation page. You would like the Give button to land on a different page, for example to Donate to a Participant page.
Editing the URL of the standard Give button near the Thermometer would require design customization, which may likely be a billable service.
If you are interested, please chat with support and include the following information: