David and Olav break all things aerodynamics down in this episode. Where to start, how to optimise and when to change positioning for optimal aerodynamics. They discuss mistakes made chasing peak aerodynamic positioning and where the future improvement in aerodynamics will come from in Ironman.

(00:00) Introduction

(01:17) Where Does Someone Start with Aerodynamics

(08:08) Limitations of Virtual Elevation

(11:40) How Did Olav Start Optimising Aerodynamics for Kristian & Gustav

(16:00) Differences Between Gustav & Kristian

(17:37) Aero Testing in Training

(19:34) Peak vs Robust Aero Positions

(26:03) Laminar Flow, Turbulent Flow & Separation Bubbles

(29:34) Have We Seen Peak Aero in Ironman Yet?

(34:40) Cam Wurf’s Bike Efforts in IM Texas

(36:17) The Role of Indoor Training in Aero Positioning

(43:30) What Has Impacted Changes in Gustav & Kristian’s Bike Positions?

(46:17) How to Know When to Change your Aero Position?

(48:00) What Was the Chronic Solution to Kristian’s Cramping in Milwaukee?

(50:42) Where Will Future CDA Gains Come from in Triathlon?

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Hosted, edited and produced by Dr David Lipman

Editing, video and introduction by Roj Ferman