Fuck corporate gyms man. Go to a local gym or CrossFit or similar program.

1. Watch the Peggy Hall videos.

2. I’m not sure if gyms are considered public accommodations, because you sign a membership agreement, but you might want to look into that angle.

I thought it was against the law to discriminate against someone with a medical condition?

It is. And their rules and laws do NOT take precedence over Federal Law, aka, the Americans with Disabilities Act.

In order to turn you away, they would have to prove that you pose a "Direct Threat", ie, that you have a fever or are coughing profusely.

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Here is some info that I've put together for a lawsuit of a similar nature and based on NC's order. :

“Public Accommodations” under Title III of Americans with Disabilities Act 42 U.S. Code § 12182 Title III mandates that public accommodations cannot deny equal enjoyment of goods and services to individuals with disabilities.

Persons for whom a face covering would cause impairment due to an existing health condition are exempt from the order.

The order prohibits business operators and their employees from asking for specifics or documentation if a customer claims an exception for health reasons, or denying admittance or service to that person for not wearing a face covering.

No proof of a medical condition or disability is required in order for a customer to successfully claim an exemption to the mask mandate. It is enough that the customer communicates that a medical condition or disability exists that prevents them from safely wearing a face covering.

Direct Threat
A state or local government agency or private business may not have to provide a reasonable modification to the face mask policy if the individual with a disability poses a direct threat to the health or safety of others. A direct threat is a significant risk to the health or safety of others that cannot be eliminated by a modification of policies, practices, or procedures, or by the provision of auxiliary aids or services. [16][17] The determination that a person poses a direct threat to the health or safety of others may not be based on generalizations or stereotypes about the effects of a particular disability. It must be based on an individual assessment that considers the particular activity and the actual abilities and disabilities of the individual.

The business must be prepared to identify how/why that individual’s specific, observable, condition/behaviors made them a “direct threat”. For example, if the person exhibited generally recognized symptoms of COVID-19 (such as aggressive coughing compounded with profuse sweating or visible difficulty breathing), refusal of service without a mask on an individualized basis may be justifiable. Conversely, a business could be hard-pressed to successfully argue that a customer without a face mask posed a “direct threat” if he or she was asymptomatic

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Take them to court, this shit has to end.

I wouldn't even know where to start with that. I also don't have the funds to pay a lawyer :/

Start with a phone book or Google, look up ADA lawyers, call each one until one agrees to do it pro bono. Out of 100, you'll find a few, guaranteed.

Apparently private enterprise can make that decision though which doesn't seem right.

Nope, they cannot, it's federal law. See my other post above. They depend on weak people that are broke, who cannot afford to challenge their bullshit. Don't be that weak person.

Honestly, you don't even need a lawyer, as soon as they find out how expensive it will be for THEM to get a lawyer, they'll probably be willing to negotiate.

I personally, would not allow them to recant. I'd get a few months free membership for my troubles and to help me forget being embarrassed at being turned away for my disability.