By Triathlete / January 2, 2026 70.3 GDR Optimizer (2026 Edition) Calculate your Glycogen Depletion Rate & Race Day Strategy Weight (kg) Last 5k Time (MM:SS) Calculate My GDR & Strategy Your Hourly GDR — grams/hr Your Phase-by-Phase Fueling Map 1. Pre-Swim (The Primer) 2. The Bike (The Savings Account) 3. The Run (The Mile 9 Protection) Pro Tip: Get The Full 2026 Ironman 70.3 Training Plan →
Ironman Training Build vs Peak – What’s the Difference and Why Does It Matter? 8 Comments / Ironman 70.3 / By Triathlete
