Business organization	6 Months Ended
Jun. 30, 2026
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Business organization	Business organization Planet Fitness, Inc. (the “Company”), through its subsidiaries, is a franchisor and operator of fitness centers, with approximately 21.5 million members and 2,930 owned and franchised locations (referred to as clubs) in all 50 states, the District of Columbia, Puerto Rico, Canada, Panama, Mexico, Australia and Spain as of June 30, 2026. The Company serves as the reporting entity for its various subsidiaries that operate three distinct lines of business: •Licensing and selling franchises under the Planet Fitness trade name; •Owning and operating fitness centers under the Planet Fitness trade name; and •Selling fitness-related equipment to franchisee-owned clubs. The Company is a holding company whose principal asset is a controlling equity interest in the membership units (“Holdings Units”) in Pla-Fit Holdings, LLC and its subsidiaries (“Pla-Fit Holdings”). As the sole managing member of Pla-Fit Holdings, the Company operates and controls all of the business and affairs of Pla-Fit Holdings, and through Pla-Fit Holdings, conducts its business. As a result, the Company consolidates Pla-Fit Holdings’ financial results and reports a non-controlling interest related to the portion of Holdings Units not owned by the Company.

Business organization

6 Months Ended

Jun. 30, 2026

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Planet Fitness, Inc. (the “Company”), through its subsidiaries, is a franchisor and operator of fitness centers, with approximately 21.5 million members and 2,930 owned and franchised locations (referred to as clubs) in all 50 states, the District of Columbia, Puerto Rico, Canada, Panama, Mexico, Australia and Spain as of June 30, 2026.

The Company serves as the reporting entity for its various subsidiaries that operate three distinct lines of business:

•Licensing and selling franchises under the Planet Fitness trade name;

•Owning and operating fitness centers under the Planet Fitness trade name; and

•Selling fitness-related equipment to franchisee-owned clubs.

The Company is a holding company whose principal asset is a controlling equity interest in the membership units (“Holdings Units”) in Pla-Fit Holdings, LLC and its subsidiaries (“Pla-Fit Holdings”). As the sole managing member of Pla-Fit Holdings, the Company operates and controls all of the business and affairs of Pla-Fit Holdings, and through Pla-Fit Holdings, conducts its business. As a result, the Company consolidates Pla-Fit Holdings’ financial results and reports a non-controlling interest related to the portion of Holdings Units not owned by the Company.