The 2026 Olympia runs Sept. 24 to 27 in Las Vegas, with Derek Lunsford defending the title he reclaimed last October. Every competitor is now inside the window that decides the show: peak week.
Clients ask me about it every September. Here is what it is, and why it is not a training strategy.
What peak week is
Peak week is a short manipulation of water, sodium, and carbohydrate designed to make muscle look fuller and skin look thinner for roughly one evening. Competitors typically raise water early in the week, then taper it, while loading carbs so the muscle fills out. Some cut sodium. Some do the opposite. Coaches guard the details because the response is individual.
The key word is temporary. A peaked physique often looks worse 48 hours later. Nobody gets stronger during peak week. Nothing about it builds muscle. It is presentation, done by people whose body fat is already in the low single digits after a prep diet that costs even pros muscle.
Why it backfires for everyone else
Samson Dauda, the 2024 champion, dropped to fourth in 2025 chasing drier conditioning. If a pro with a full time coach can overshoot it, a lifter doing it off a forum post will. The risks are cramping, dizziness, flat muscles, and a ruined week of training for a photo.
The one piece worth stealing
The carb load. Two days before a heavy session, a race, or a beach day, eat more carbohydrate than usual and keep water normal. Muscle glycogen pulls water into the muscle, you look fuller, and you lift better. That is the whole trick, and it costs you nothing…