Ironman cutoff times confuse a lot of athletes, and I see the same mistake over and over: people think there’s one “finish by” time and that’s it. In this video I break down how Ironman time limits actually work, including the difference between course cutoffs (the official ones that can get you pulled) and your personal cutoff times (the ones you should plan around so you’re not racing in panic mode all day). I walk through how the swim, bike, and run cutoffs are enforced, and why the clock doesn’t care how strong you “feel” if you’re behind schedule. I also explain how pacing, transitions, and even course layout can quietly steal minutes and put you in danger of missing a cutoff. My main takeaway: know the rules before race day, build a realistic time budget that includes transitions, and track your progress so you can make smart decisions early—because understanding the cutoffs is often the difference between finishing confident and getting pulled from the course.