36-Week Beginner Training Plan for the Half Distance Oceanside Triathlon

Train Smart. Race Strong. Finish Proud.

Ready to conquer one of the most iconic races in triathlon? The Half Distance Oceanside Triathlon features a breathtaking course—and it demands the right preparation. Our 36-week beginner training plan is built specifically to guide first-time and novice triathletes from start to finish with confidence and strength.

Why This Training Plan Works for Oceanside
The Oceanside course offers a rare mix of beauty and challenge. You'll:

Swim 1.2 miles in the calm, protected waters of Oceanside Harbor, perfect for refining technique.

Bike 56.2 miles through Camp Pendleton, an active military base with rolling terrain and coastal vistas that require endurance and pacing.

Run 13.1 miles on a flat, fast course along the Pacific, finishing on the festive Strand, with transitions that demand strength and control.

This plan prepares you for it all.

What’s Inside the Plan
✅ 12-Week Foundation Phase
Build aerobic endurance, proper technique, and strength. Includes RPE-based workouts, swimming drills with instructional videos, and structured run-bike sessions.

✅ 24-Week Race-Specific Phase
Progress from 7 to 12 hours/week of training. Incorporates:

Open-water swim prep

Tempo & interval workouts

Progressive brick sessions

Race-day simulation workouts

✅ Strength Training for Triathletes
Detailed video-guided sessions to help you prevent injuries, improve form, and handle terrain shifts—especially on Oceanside’s unique run course.

Perfect for First-Timers
No previous triathlon experience required—just a commitment to growth and a goal to finish strong. Every workout is designed to meet you where you are and elevate your fitness safely and effectively.

Your Journey Starts Now
The Oceanside Triathlon is waiting. Train with purpose, show up prepared, and make your finish line moment unforgettable.

👉 Add this 36-Week Beginner Training Plan To Your Training Peaks Calendar Today

Race Oceanside with confidence—because you trained the right way.

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