20 Week Advanced Half Distance Plan: Built for Progress
Many advanced plans are boring because they rely on repetitive volume. This 20 week program is for athletes with a strong running and cycling base who want their swimming to match that level. We included a variety of sessions to keep you engaged while making your movement through the water more efficient. This plan replaces generic training with science based sessions that have a clear purpose, ensuring you arrive at the start line ready to race.
How You Will Succeed
- Better Efficiency: Move through the water with less effort so you have more energy for the bike and run segments.
- Personalized Pacing: Every session uses your targets so you know exactly how hard to work. No more guessing.
- Energy Control: Manage your effort on the bike so you have strong, capable legs for the half marathon finish.
The Science of Your Progress
- Sustained Speed: Targeted intervals help you hold a faster pace for longer periods without fading.
- 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 swim faster and run with improved form. All swim sessions are written by a professional swim coach.
- Aerobic Ceiling: High intensity sessions increase your top speed, making your target race pace feel much more manageable.
Your 20 Week Roadmap
- Weeks 1 to 4: Foundation. Establish benchmarks and build the base stamina needed for high quality work.
- Weeks 5 to 8: Adaptation. Safely increase your training volume as your body adapts to the workload.
- Weeks 9 to 12: Capacity. Focus on sessions that boost your ability to handle the distance comfortably.
- Weeks 13 to 16: Simulation. Hone your race pace with efforts that mimic real race conditions.
- Weeks 17 to 20: Peak. Reduce training volume while keeping quality high so you feel powerful on race morning.
This Plan Is For You If:
- Front Pack Swimmer: You expect to exit the water in the front third and want a professional plan to maintain that lead.
- PB Chaser: You want a professional schedule designed to help break your personal records.
- Experienced Competitor: You are ready for a structured plan that values quality and variety over just doing more miles.
Requirements and Inclusions
You should be able to swim 100m faster than 1:50, cycle for 2 hours, and run for 1 hour.
- 20 weeks of training designed for impact.
- 7 to 10 sessions per week: 2 swims, 3 bikes, 3 runs, and 2 strength sessions.
- 1 strategic rest day to allow your body to recover and get stronger.
Check out our other Half Distance Training 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.