🏊‍♂️ 16-Week Swim Training Plan
Half & Full Ironman Distance Preparation

This 16-week swim training plan is designed for triathletes preparing for Half Ironman (70.3) and Full Ironman distance events who want a comprehensive and progressive swim program that builds technique, endurance, and sustained pace ability.

The plan is structured to help you improve your swimming efficiency and confidence in the water, with a gradual progression in volume and intensity over the training cycle.

🔹 Who this plan is for

• Triathletes training for Half Ironman or Full Ironman
• Swimmers with basic familiarity in the pool
• Athletes seeking a structured weekly progression (non-structured workout files)
• Those focusing on technique, aerobic base, and swim endurance

This plan assumes a basic ability to swim front-crawl and is ideal for athletes who want to align swim training with their IM/70.3 preparation.

🔹 Plan structure

• 16 weeks of progressive swim training
• Technique and stroke refinement sessions
• Endurance sets designed for Ironman distances
• Pace progression to improve sustained swim ability
• Recovery and adaptation phases built into weekly cycles

The program blends technical focus with endurance development to help you swim more efficiently and with less fatigue over long distances.

🔹 Training methodology

This swim plan uses intent-based guidance to help you integrate technique and pacing into your sessions:

• Stroke mechanics and efficiency
• Aerobic capacity development
• Sustained pace intervals
• Recovery elements to support adaptation

This approach lets you train with purpose, even without structured device files.

🔹 Equipment / Requirements

• Access to a 25 m or 50 m pool
• Goggles and basic swim gear
• Optional training aids: pull buoy, paddles, snorkel
• Basic timing device or watch (optional) to monitor intervals

🏁 Train with intent

Swimming is a key leg of any triathlon, and preparation tailored to Ironman and Half Ironman distances is essential for race success. This plan gives you a progressive and thoughtful roadmap to build endurance, technique, and pacing strength in the water.