Equipment, Net - Summary of Equipment, Net (Details) - USD ($)	Jun. 30, 2026	Dec. 31, 2025
Property, Plant, and Equipment [Line Items]
Total equipment	$ 7,889,014	$ 443,180
Less: Accumulated depreciation and amortization	(95,244)	(9,376)
Total equipment, net	7,793,770	433,804
Athletic competition equipment - portable
Property, Plant, and Equipment [Line Items]
Total equipment	5,250,839	0
Capitalized software
Property, Plant, and Equipment [Line Items]
Total equipment	2,255,383	0
Fitness equipment
Property, Plant, and Equipment [Line Items]
Total equipment	289,147	198,468
Computer equipment
Property, Plant, and Equipment [Line Items]
Total equipment	84,245	48,045
Furniture & fixtures
Property, Plant, and Equipment [Line Items]
Total equipment	9,400	0
Construction in process
Property, Plant, and Equipment [Line Items]
Total equipment	$ 0	$ 196,667