Marriott Bonvoy Platinum Elite Challenge - 8 Nights Stay To Extend To 2027Marriott Platinum Elite Account Challenge Achieve Marriott Platinum Elite status quickly with our streamlined Platinum Account Challenge service. Whether you register a new account or upgrade an existing one, youll enjoy immediate Platinum benefits and the opportunity to maintain your status by completing just 8 qualifying nights. How It Works For New Accounts: Provide your first name, last name, email address (not previously registered with