OBLIVION MAXX Oblivion MaXX is not available to book as a stand alone event. To enter September’s MaXX event you must enter Oblivion eXtreme in May too. Sept Oblivion MaXX is a 13 hour obstacle loaded challenge on Nuclear Blast AND Blackout courses. It’s 5k laps rolled into one with the potential to be a 70k+/44+mile/420+ obstacle challenge. Complete as many laps during the day & night tackling 30+ obstacles mud & water per lap. This event requires hardcore training as it’s the ultimate test of physical, mental endurance and strength... See more >