The Challenge XXX: Dirty 30  The Challenge XXX: Dirty 30 (often promoted as The Challenge XXX) is the thirtieth season of the MTV reality competition series, "The Challenge". It was filmed in Colombia during May and June 2017, with alumni from "The Real World", "Road Rules", "The Challenge", and "Are You the One?" competing. Jonathan Murray, Gil Goldschein, Scott Freeman, and Fred Birckhead were the executive producers, with Ryan Smith and Danny Wascou serving as co-executive producers. A launch special aired on July 11, 2017, and the season premiered on July 18, 2017. The season concluded with a two-part reunion special/finale on November 14 and 21, 2017 and behind-the-scenes special of the reunion and the reunion after-party on November 28, 2017. It also marks the first chapter of a "Challenge" trilogy, followed by "" and "". Host: T. J. Lavin, BMX rider  The cast is composed of contestants who have acted dirty on a past season or show. The main elements of the game are as follows. In the end, only six players - 3 male and 3 female - compete in the final challenge. Unbeknownst to each contestant, they will compete for a share of $1,000,000 — the largest monetary prize in "Challenge" history. The winner of each gender winning $450,000, the runners-up winning $35,000 and third place taking home $15,000. For the final challenge, the competition moved to Salta, Argentina, where the players will compete for their share of $1 Million. The players will compete in a series of timed checkpoints full of unpredictable twists and turns. First place players will receive $450,000 each, second will receive $35,000 each, and third will receive $15,000 each. To kick off the final challenge, players were tasked with jumping 20,000 feet out of an airplane. Players would then continue on through the course with the help of video clues from TJ. The two-part reunion special/finale aired on November 14 and 21, 2017, and was hosted by WWE pro wrestler, "" alum, and former "Challenge" champion Mike "The Miz" Mizanin. Host T. J. Lavin and each cast member, for the exceptions of Camila and LaToya, attended at the Capitale in New York. A "The Final Dirt" special showing behind-the-scenes at the reunion and the reunion's after-party aired on November 28, 2017.