A "status challenge" refers to a situation where someone is given the opportunity to prove themselves in order to achieve or improve their social or professional standing. Full definition
American no longer offers straight status matching, but it does consistently offer status challenges that are open to everyone who's willing to pay a fee. (rewardexpert.com)
In the end you'll be the only person to judge whether or not it would be worth it for you to jump on the Platinum status challenge. (uponarriving.com)
Read about how to complete a Marriott status challenge here if you're interested in learning more. (uponarriving.com)