What Is A Rehydration Clause?

Are you curious to know what is a rehydration clause? You have come to the right place as I am going to tell you everything about a rehydration clause in a very simple explanation. Without further discussion let’s begin to know what is a rehydration clause?

What Is A Rehydration Clause?

A rehydration clause, within the context of combat sports, particularly boxing and mixed martial arts (MMA), refers to a contractual agreement that imposes specific weight restrictions on fighters after they make weight for a match. This clause regulates how much weight a fighter is allowed to gain back after the weigh-in before the actual fight, typically aiming to ensure fairness and safety in the ring.

Weigh-In And Making Weight

Before a fight in combat sports, fighters undergo a weigh-in where they must meet a specified weight limit for their respective weight class. This process involves intense dieting, dehydration techniques, and rigorous training to achieve the required weight, which can lead to fighters temporarily shedding water weight to meet the limit.

The Purpose Of Rehydration Clause

A rehydration clause is often introduced to address concerns related to extreme weight cutting practices by fighters. Rapid weight loss followed by rapid rehydration can potentially compromise a fighter’s health and performance, leading to safety risks in the ring. The clause aims to prevent excessive weight regain after the weigh-in, promoting fair play and fighter safety.

Limitations Imposed

The rehydration clause specifies the maximum weight a fighter is allowed to reach after the weigh-in. It can limit the weight a fighter is permitted to gain back or dictate the maximum weight they can be on fight day, usually within a certain percentage of the weight class limit they made during the weigh-in.

Impact On Fighters

For fighters, the presence of a rehydration clause can significantly impact their training, nutrition, and fight strategy. It necessitates a more disciplined approach to weight management throughout the fight week, focusing on maintaining a closer weight to the limit without risking excessive dehydration or compromising their physical condition.

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Fairness And Safety Considerations

While the primary objective of a rehydration clause is to ensure fairness and mitigate safety risks associated with extreme weight cutting, it also serves to level the playing field between fighters. By limiting weight regain, it aims to prevent potential advantages gained by significantly larger fighters on fight night.


The introduction of a rehydration clause in combat sports underscores the ongoing efforts to prioritize fairness and fighter safety in an intensely competitive environment. By regulating weight regain post-weigh-in, it aims to discourage extreme weight cutting practices, promoting healthier and safer conditions for fighters during matches.

As combat sports continue to evolve, discussions around weight management strategies, rehydration clauses, and their impact on the sport’s integrity and athlete well-being remain integral in shaping the future landscape of these competitive arenas.


What Is The Rehydration Clause In Boxing Garcia?

Their fight has been made at a catchweight of 136lbs and a rehydration clause means they can’t weigh more than 10lbs over that limit on the morning of the fight. “You looked drained,” Garcia said, pointing at Davis when they faced off.

Has Canelo Ever Used A Rehydration Clause?

Canelo Alvarez-Daniel Jacobs title fight contract includes rehydration clause, hefty fines. Daniel Jacobs won’t be able to skip this second-day weigh-in. The contract for his Ring middleweight championship fight with Canelo Alvarez includes a rehydration clause, sources with knowledge of the deal told The Ring.

How Do Boxers Rehydrate After Weigh-In?

After a weigh-in, fighters will normally rehydrate by drinking a sports drink, as they need to replace electrolytes as well as the water they have lost. After extreme dehydration, small sips of fluid are better than large gulps, which can make you ill.

Why Do Boxers Dehydrate Themselves?

Rehydration and refuelling of carbohydrates are vital for boxing to optimise physical performance and avoid fatigue. On the night before and morning of a weigh-in, many combat sport athletes dehydrate themselves, using hot baths, saunas and sweat suits to lose the last few pounds they need to make weight.

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