Orangetheory Fitness on Instagram: "Register now for the 2026 Transformation Challenge. Because every big change starts with one small spark — one moment you decide to show up differently. That’s what the Challenge is about. 8 weeks. 18 classes. One decision to stop waiting for change and start creating it. Here’s how it works 👇 - You’ll choose a goal: Burn Fat or Build Muscle - You’ll commit to 3 classes a week for 6 of 8 weeks - You’ll track progress with InBody scans (1 before , 1 after) - A