Training for the Half Distance Triathlon Boulder requires more than just endurance — it demands a smart, progressive plan that prepares your body and mind for every unique challenge of race day. Our 36-week beginner training plan is specifically designed to help you train with confidence, especially for Boulder’s altitude, terrain, and fast-paced course.
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🏊♂️ Swim – 1.2 miles:
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Prepare for a counterclockwise open-water swim starting at the east boat ramp and finishing at the west. With average water temps around 62°F (17°C), our plan ensures you’re cold-water ready through targeted drills and open-water acclimation sessions.
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🚴♀️ Bike – 56 miles:
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The 2-loop course features smooth pavement, short rollers, and a thrilling descent on Hygiene Road. You'll train on structured intervals and terrain-specific rides that simulate Boulder’s unique layout — boosting both your power and confidence on race day.
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🏃♂️ Run – 13.1 miles:
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This 2-loop run includes fast, packed dirt roads, slight descents, and sections alongside world-class runners. Our plan incorporates brick workouts and race-pace simulations to help you stay strong through both loops and finish strong.
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✅ Why This Plan Works for You:
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✔️ Zero experience needed – start from any fitness level
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✔️ Swim drills with video guidance for technique mastery
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✔️ Run and bike sessions based on heart rate & RPE for smart progress
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✔️ Brick workouts that train you to transition efficiently
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✔️ Open-water readiness for Boulder Reservoir conditions
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✔️ Weekly strength training with video demos*
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✔️ Designed for time-crunched adults – starts at just 7 hours/week
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This isn’t just a training plan – it’s your roadmap to the finish line. With Boulder’s high-altitude, fast course, and demanding terrain, you need a structured program that helps you peak at the right time and race with purpose.
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🎯 Ready to conquer Boulder?
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Train with purpose. Build endurance. Cross that finish line stronger than ever.
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👉 Start your Half Distance Triathlon Boulder journey now and transform your training into a personal victory.
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WATCH ON YOUTUBE
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REGISTER HERE
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TO SET YOURSELF UP FOR SUCCESS – START HERE →
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SEARCH MORE BOULDER TRAINING PLAN OPTIONS
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CHECK OUT OTHER BEGINNER RACE-READY OPTIONS →
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Have questions? Need help in selecting a plan? Let's Chat!
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Want To Get The Most Out Of This Training Plan? — Click Here To Learn More About Andiamo²® Self-Coached Options, and How To Receive Your FREE Run Gait Video Analysis!
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NAVIGATE OUR ENTIRE TRAINING PLAN CATALOG
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*muscle and motion app required
Every level. Every Training Plan. One simple price: just $6 a week—and the plan is yours to keep and reuse forever. Welcome to the Andiamo²™ family, where your goals, lifestyle, and personal best come first. Based in Austin, Texas, we offer in-person and remote triathlon coaching plus structured training plans that give every workout a clear purpose. Whether you’re preparing for your first race or your next breakthrough, you’ll have experienced guidance every step of the way.