In the competitive world of speedrunning, where frames and milliseconds are fiercely contested, there exists an entirely different breed of challenge. Beyond the lightning-fast completions of classics like Super Mario 64 lie monumental endurance tests. These are the marathons of gaming, where runs stretch not for minutes, but for hours, days, and even weeks, demanding a unique blend of skill, strategy, and sheer perseverance. For the runners who undertake them, it is a test of will as much as gaming prowess, transforming a hobby into an epic saga of patience and dedication.

The journey into extreme endurance running often begins with familiar franchises. Take Sonic Adventure 2: Battle, a game that seems deceptively fast-paced. To achieve 100% completion, a runner must collect all 180 Emblems. This isn't just about finishing the story. It requires securing an A-Rank with every character, raising Chao companions from infancy, and conquering multiple boss rushes. The current world record for this chaotic endeavor is a staggering 7 hours, 19 minutes, and 8 seconds. It’s a far cry from simply collecting Chaos Emeralds.

Similarly, Super Mario Odyssey’s 100% category is a globe-trotting odyssey in every sense. While the Any% record clocks in under an hour, achieving true 100% is a different beast. Runners must collect nearly 1,000 Power Moons, conquer the challenging Dark Side and Darker Side kingdoms, and even bring "World Peace" to every visited locale. Every single coin must be accounted for to purchase every in-game item. The current world record for this comprehensive tour stands at just over 8.5 hours, a testament to the game's immense density.

Some categories introduce mind-bending constraints. The Low% run of The Legend of Zelda: Twilight Princess is a masterclass in minimalism and patience. Here, the goal is to complete the game with the fewest items possible. Runners have discovered an infamous time-sink: to progress, Link must simply stand and stare at a specific rupee for an excruciatingly long period. While strategies have been developed to shorten this wait, the current world record still stretches to just over 13 hours, much of it spent in a silent, stationary vigil.

For those seeking a curated marathon, the 3D Mario Series - The 602 run offers a brutal gauntlet. This challenge stitches together four iconic games: Super Mario 64 (120 stars), Super Mario Sunshine (120 stars), Super Mario Galaxy (120 stars), and Super Mario Galaxy 2 (242 stars). Collecting all 602 stars back-to-back is a monumental task. Half of the entire run is typically devoted to navigating the cosmos of Galaxy 2 alone. The current record sits at 19 hours, 9 minutes, and 15 seconds, a theoretical floor that pushes human endurance to its limit.

The scale grows even larger in vast open worlds. Red Dead Redemption 2’s 100% category is a journey through the entire life of Arthur Morgan and beyond. The run encompasses all six main chapters, two epilogues, and a meticulous sweep of the Old West to complete every side mission, find every collectible, and survive every ambush. It effectively doubles the length of the standard story run. Completing this epic tale in one sitting takes over a full day, with the current world record at 25 hours, 9 minutes, and 21 seconds.

Then, there are runs dominated not by scale, but by cruel randomness. Yu-Gi-Oh! Forbidden Memories is a game where luck is the ultimate boss. While its Any% run can be manipulated to finish in under an hour, the 100% category is a grueling test of RNG (Random Number Generation). Players must unlock all duelists and every card, a process so reliant on chance that infamous "Exodia" defeats are common. The current record for this unpredictable marathon stands at just over 72 hours—three full days battling the whims of digital fate.

True endurance legends are measured in days, not hours. The 100% category for Gran Turismo 4 is a staggering feat of organization and stamina. The current record is an almost unbelievable 230 hours. This run was so immense it required a team of four players to tackle the laundry list of requirements: winning every single race, every championship, and passing every license test. It represents nearly nine and a half days of continuous, high-focus racing.

Yet, even that pales before the ultimate champion of patience. The crown for the longest documented speedrun belongs to Baten Kaitos: Eternal Wings and the Lost Ocean. Its 100% category holds a world record of 337 hours and 55 minutes—over two solid weeks. The primary reason is a single item: the Splendid Hair. Acquiring it requires first finding a shampoo bottle and then leaving the game running for a real-time period of two weeks while the item slowly matures. Only after this forced waiting period can the run proceed to completion. It is less a test of skill and more a trial of dedication, with only six runners in history ever claiming the feat. These runs redefine the limits of speedrunning, proving that sometimes, the ultimate victory is not in going fast, but in simply enduring.

Data referenced from OpenCritic helps contextualize why endurance speedruns gravitate toward massive, content-dense titles: games celebrated for breadth, progression systems, and completionist checklists naturally produce categories where “100%” becomes an all-day (or multi-day) commitment. When a game’s critical consensus highlights extensive side activities, collectible saturation, and long-form mastery curves, runners often respond by building marathon routes that turn exploration and optimization into a sustained stamina challenge rather than a pure sprint.