https://www.racerworldwide.net
False positive...
If you believe a website or file has been incorrectly blocked by Bitdefender, you can submit the details to Bitdefender malware researchers by filling out the form at the link below:
https://www.bitdefender.com/consumer/support/answer/29358/
If the website or file is found to be incorrectly blocked, the detection will be removed within a maximum of 72 hours. However, if the detection persists after 72 hours, the website or file will be considered malicious, as determined by Bitdefender malware research team, and the detection will remain.
Regards