09/09/2026
Fuel well. Build muscle. Feel different.
Ready for a reset that actually fits real life? Join FUEL 42—a 42-day nutrition, strength, and habit challenge from Iron Flag Fitness, powered by Fuel Different.
Get personalized nutrition targets, weekly coaching, progress tracking, and the accountability to build lasting momentum. Open to members and non-members, with options for nutrition-only, classes, and personal training.
Challenge runs Sept. 14–Oct. 25. Registration closes Sept. 13.
Choose your package at fueldifferent.app/fuel-42