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 * 5:00 why aerotest with two systems in parallel?
 * 6:45 the two categories of aero testing systems: their similarities and differences
 * 14:15 comparing results between the Gizmo and Aerotune
   * the role of air density in the aero equation as used by the Gizmo
   * Rolling resistance and drivetrain drag
   * Error contribution
 * 33:00 testing while training
 * 41:15 incorporating IMUs (motion sensors) in aero testing
   * Monitoring head position
   * Error-checking the barometric altimeter
 * 47:00 error correction
 * 49:00 the future of the Gizmo and aero testing broadly

Marc Graveline Redux

Endurance Innovation examines the technology, science, and engineering shaping modern endurance sport. Each episode features a focused conversation with researchers, coaches, and industry practitioners working in areas such as cycling aerodynamics, triathlon equipment, performance modeling, training science, biomechanics, and data analysis.

Rather than speculation or trend-driven commentary, the show emphasizes evidence-based methods and practical applications for athletes and coaches across cycling, triathlon, and other long-course disciplines. Topics include aerodynamic testing, cooling, running and cycling performance, endurance nutrition, training strategies, and the tools that support both high-performance and age-group athletes.

New episodes are released periodically.