

16 Week Intermediate Half Distance Plan: Built for Progress
Many intermediate plans rely on repetitive volume that fails to challenge your fitness. This 16 week program is for the balanced athlete whose swimming ability matches their cycling and running performance. We included a variety of sessions to keep you engaged while targeting improvements across all three disciplines equally. This plan replaces junk miles with science based training that has a clear purpose, ensuring you arrive at the start line sharp and ready to race.
How You Will Succeed
- Balanced Improvement: Develop your swim, bike, and run speed at a consistent rate for a well-rounded race day performance.
- Personalized Pacing: Every session uses your personal targets so you know exactly how hard to work. No more guessing.
- Energy Control: Learn to manage your effort on the bike so you have the strength to finish the half marathon with a powerful run.
The Science of Your Progress
- Sustained Speed: Targeted intervals help you hold a faster pace for longer periods without your form breaking down.
- Saving Energy: Improve how your body uses fuel during the bike leg so you do not hit the wall during the run finish.
- Better Technique: Simple focus points help you move through the water faster and run with improved mechanics. Written by a professional coach.
- Aerobic Capacity: Diverse sessions increase your top speed, making your target race pace feel significantly easier.

Your 16 Week Roadmap
- Weeks 1 to 4: Foundation. Establish benchmarks and build the base stamina needed for higher intensity work.
- Weeks 5 to 8: Adaptation. Safely increase your training volume as your body adapts to the workload.
- Weeks 9 to 12: Specificity. Shift to sessions that mimic the exact effort and speed you will need on race morning.
- Weeks 13 to 16: Peak. Reduce training volume while keeping quality high so you feel powerful on race morning.
This Plan Is For You If:
- Balanced Athlete: Your swim, bike, and run abilities are at a similar level and you want to develop them all equally.
- PB Chaser: You have some triathlon experience and are ready for a schedule designed to break your records.
- Dedicated Performer: You value structure and variety over just doing more miles.
Requirements and Inclusions
You should be able to swim 100m in roughly 1:50 to 2:30, cycle for 1 hour, and run for 45 minutes.
- 16 weeks of detailed training designed for impact.
- 6 to 9 sessions per week: 2 swims, 3 bikes, 3 runs, and 1 strength session.
- 1 strategic rest day to allow your body to recover and get stronger.
Check out our other Half Distance Plans Here

Take the Next Step
Don't leave your next race to chance. Follow a system built for your specific needs. Trust the process and reach your true potential.

With over a decade of professional swim coaching and an international triathlon background, I help beginners and developing athletes build sustainable habits for endurance sport. I coach athletes currently training under 12 hours a week who may not have grown up in sport. My approach prioritises clarity, patience, and purpose behind every session, ensuring training fits around your life without unnecessary pressure.