Force Majeure Clause Invoked: gym won't let me cancel membership

I publish illustrative scenarios prepared by my practice. All participants and conversations are fictional. The fictional posts are not posts by real users, accounts of client experiences, or reports of actual results.
Illustrative scenario prepared by my practice.
For informational purposes only. This is not legal advice. Laws vary by jurisdiction. Consult a qualified attorney for advice specific to your situation.
Hypothetical question

English isn't my first language so bear with me. Tbh i've been trying to resolve this on my own but I'm stuck.

gym won't let me cancel membership. I've been dealing with this for about 6 months now and the situation isn't improving haha.

The contract was signed 7 months ago. I have a copy of the original agreement. The total amount in dispute is approximately $70,000.

What are the risks if I pursue this? What's the likely timeline?