
70.3 (Half Ironman)
Everything Andy has written about the half Ironman: how to build a plan around a busy week, how many hours you really need, the workouts worth doing and the mistakes that cost beginners the most.
Start with the newest, or pick the one that matches where you are in your build.

70.3 Training
Best vs Worst 70.3 Workouts, Ranked by Science
Which swim, bike and run workouts actually deliver results for a half Ironman, and which waste your time.
28 August 2025 · 10 min read

70.3 Training
How to Build Your Own 70.3 Training Plan
A simple way to build a half Ironman (70.3) plan around your life: start with you, then work through three blocks - foundation, volume with controlled intensity, and race preparation.
15 July 2025 · 16 min read

70.3 Training
Train Smarter, Not Longer, for Your 70.3
More hours doesn't mean more fitness. How busy age-group triathletes can cut three to five hours a week from 70.3 (half Ironman) training without losing their edge.
29 June 2025 · 12 min read

70.3 Training
From Couch to 70.3: A 16-Week Training Guide
How to go from little or no training to finishing your first Ironman 70.3 in 16 weeks: the phases that build endurance and strength, the mindset shifts and the mistakes to avoid.
29 January 2025 · 13 min read

70.3 Racing
5 Beginner 70.3 Mistakes (and How to Avoid Them)
Five common mistakes first-time half Ironman athletes make on pacing, nutrition, transitions and more, and how to avoid them on race day.
18 January 2025 · 10 min read

70.3 Training
How Many Hours a Week Should You Train for a 70.3?
How many hours a week to train for a 70.3 (half Ironman) and how to spend them: three six-week blocks, from base endurance and strength to race-specific work.
21 November 2024 · 7 min read
Preparing for your 70.3?
Hybrid Coaching gives you a tailored plan from Andy's library, with monthly adjustments based on your feedback and performance.
