The Boston Marathon is one week away. Here is everything you need to know to nail race week — from taper tips and carb loading to course strategy and hydration planning for April 20, 2026.

Race day can be nerve-wracking, even for experienced runners. The adrenaline, the logistics, the crowd — there’s a lot to manage beyond just running. A thorough checklist keeps you focused and ensures nothing gets forgotten. Here’s your complete race day guide from wake-up to finish line. The Night Before Lay out everything you’ll need: race…