10 Key Olympic Triathlon Threshold Brick Sessions!

Want to build serious speed off the bike?

Threshold brick sessions are crucial for Olympic triathlon success. These workouts focus on training your body to sustain high-intensity efforts just below or at your lactate threshold—where you can push hard but still maintain control.

By incorporating these key sessions, you’ll improve endurance, speed, and race-day resilience.

1. Classic Bike-Run Threshold Brick

Bike warm-up: 10 minutes easy

Bike: 20K @ 90% FTP

Run warm-up: 10 minutes easy

Run: 5K @ threshold pace

Cool-down: 10 minutes easy

2. Progressive Threshold Build

Bike warm-up: 10 minutes easy

Bike: 20K, increasing intensity every 10K (85%, 90%, 95% FTP)

Run warm-up: 10 minutes easy

Run: 5K, last 2K @ 95% effort

Cool-down: 10 minutes easy

3. Over/Under Threshold Brick

Bike warm-up: 10 minutes easy

Bike: 3 x 10K (1st & 3rd @ 95% FTP, 2nd @ 85% FTP)

Run warm-up: 10 minutes easy

Run: 3K @ 95% effort

Cool-down: 10 minutes easy

4. Broken Bike-Run Threshold Session

Bike warm-up: 10 minutes easy

Bike: 4 x 8K @ 90–95% FTP (2 minutes easy between reps)

Run warm-up: 10 minutes easy

Run: 3 x 2K @ 90–95% effort (60 seconds rest between)

Cool-down: 10 minutes easy

5. Race Pace Brick with Negative Split Run

Bike warm-up: 10 minutes easy

Bike: 20K @ 90% FTP

Run warm-up: 10 minutes easy

Run: 5K, second half faster than the first

Cool-down: 10 minutes easy

6. Double Brick Threshold Challenge

Bike warm-up: 10 minutes easy

Bike: 15K @ 90% FTP

Run warm-up: 10 minutes easy

Run: 3K @ 90–95% effort

Bike warm-up: 10 minutes easy

Bike: 15K @ 90% FTP

Run warm-up: 10 minutes easy

Run: 3K @ 90–95% effort

Cool-down: 10 minutes easy

7. Swim-Bike Threshold Combo

Swim warm up: 10 mins

Swim: 1.5K at threshold effort

Bike warm-up: 10 minutes easy

Bike: 30K @ 90–95% FTP

Run warm-up (optional): 10 minutes easy

Optional short run or cool-down: 10 minutes easy

8. High-Cadence Bike to Fast Run

Bike warm-up: 10 minutes easy

Bike: 20K @ 90% FTP, last 5K @ 95% FTP with cadence 90+ RPM

Run warm-up: 10 minutes easy

Run: 5K @ 95% effort

Cool-down: 10 minutes easy

9. Hill Power Threshold Brick

Bike warm-up: 10 minutes easy

Bike: 20K hilly ride @ 85–95% FTP

Run warm-up: 10 minutes easy

Run: 6K hilly run @ 90–95% effort

Cool-down: 10 minutes easy

10. All-Out Finish Threshold Brick

Bike warm-up: 10 minutes easy

Bike: 20K @ 90% FTP

Run warm-up: 10 minutes easy

Run: 5K, last 1K at max effort

Cool-down: 10 minutes easy

Final Thoughts

Threshold brick workouts are key for developing race-ready strength and endurance. Incorporate one or two of these sessions per week, adjusting intensity based on your fitness level and recovery needs.

Train hard, race strong, and master the Olympic triathlon!

Ready to hit your next Olympic triathlon with power and precision?

Consult a healthcare professional before starting any fitness plan to ensure it is safe and appropriate for your individual needs.

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10 Key Olympic triathlon tempo brick sessions!

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Sprint Triathlon: What Is Zone 2 Training and How to Use It?