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HOW to train for a triathlon
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Triathlon Bike Training

Jennifer Ward

and

Taren Gesell

Last updated:

February 4, 2025

Training on the bike is the backbone of success in races ranging from Sprints to full-distance triathlons like IRONMAN. Whether you’re an aspiring athlete or an experienced triathlete, understanding how to prepare for the bike leg is essential. Not only will being a strong, safe, and informed cyclist make you faster on race day, but it will also increase your enjoyment of the process.

At MOTTIV, we’ve guided countless endurance athletes to their goals. We’ve been there ourselves—swinging a leg over a bike saddle in transition 2 countless times—so we know what works and what doesn’t. With the right focus and strategic approach, you can achieve your triathlon bike training objectives and race confidently.

What You’ll Learn in This Article:

  • The weekly bike training volume needed for various race distances
  • Strategies for building endurance with long rides and mastering high-intensity sessions
  • How to balance bike sessions with swim and run sessions in your weekly schedule
  • The must-have gear for effective training and racing
  • Advanced strategies for success
MOTTIV app user Christian Lavoie races in an IRONMAN 70.3 triathlon!

The Fundamentals of Triathlon Bike Training

Let's start with the basics: your training plan. What goes into a good plan, what are the different types of training rides you can do, and how do you balance intensity (hard rides) with volume?

What Makes a Successful Bike Training Plan?

A well-rounded training plan is critical for every triathlete, combining structured bike training, clear goals, and personalized strategies. Just like each training plan we create for every athlete using the MOTTIV training app, make sure your plan has the following attributes:

  • Focus on structured workouts tailored to your goals.
  • Include a balance of endurance training and interval work to improve stamina and speed.
  • Gradually increase your training volume over time.
  • Align your workouts with personal strengths and weaknesses.
  • Incorporate rest weeks to avoid burnout and support recovery.

In our book, Triathlon Bike Foundations, we underscore the importance of two focused bike workouts weekly for beginners: one for endurance and one for speed. This minimalist yet effective approach ensures steady progress without overwhelming your schedule.

How Cyclists Can Optimize Their Triathlon Training Routine

No matter what level you're at or what race distance you've chosen, here are a few quick tips for every cyclist hoping to progress in the sport:

  • Warm up for at least 10 minutes before every session.
  • Focus on smooth pedal strokes to recruit the right muscle fibers.
  • Integrate drills (e.g., single-leg pedaling) to improve technique.
  • Cool down after every ride to aid recovery.

The Two Essential Types of Rides You'll Do in Training

Now, let's look at the different types of rides you'll be doing in your training: Long, easy rides and short, harder rides.

Building Endurance with Long Rides

Long rides are essential for preparing your body to handle the demands of a triathlon. They should be performed at a conversational pace (around Zone 1 or Zone 2). Follow this progression plan:

  • Start with a ride you can complete comfortably (e.g., 30 minutes for beginners).
  • Increase duration by 8-10% weekly.
  • Every third week, reduce the duration by 40% for recovery.

Aim for these benchmarks, depending on the triathlon distance you're doing:

  • Sprint: 40-50 km (24-30 miles)
  • Olympic: 60-70 km (36-42 miles)
  • 70.3: 110-125 km (67-80 miles)
  • Ironman: Build up to 6 hours

These rides build the aerobic base necessary for race-day success while improving your body’s ability to recover. They build endurance, which is the cornerstone of successful long-course racing. For Ironman and 70.3 athletes, this means training your body to sustain effort over several hours. Here’s how to build endurance effectively:

  • Gradually increase the duration of your long rides by 10% each week.
  • Include an over-distance ride every 4-6 weeks that exceeds race distance to build endurance.
  • Focus on staying in zone 2 (aerobic effort) to develop muscle fibers and improve cardiovascular efficiency.
  • Incorporate regular recovery weeks to allow adaptation.

These foundational workouts ensure you can handle the demands of a long ride without compromising your performance on race day. We know that cycling can be daunting for aspiring triathletes. As we mentioned earlier in this article, Triathlon Bike Foundations, is a great place to start if you want proven instructions on how to become more comfortable in the water. We’ve helped thousands of adults learn to ride and train confidently.

High-Intensity Bike Sessions: When and Why

High-intensity training develops your ability to sustain a faster pace. Here’s how to structure these sessions:

  1. Start with short intervals (30-60 seconds) at maximum effort.
  2. Take 3-4 minutes of recovery between intervals.
  3. Gradually increase interval duration while reducing recovery time.
  4. Progress to longer intervals (15-20 minutes) at a moderate intensity.

Benefits:

  • Improves VO2 max
  • Enhances bike power and efficiency
  • Prepares you for race-specific speeds

Balancing Bike, Swim, and Run in Your Routine

A good triathlon training plan must balance all three disciplines while giving each one the attention it deserves. Here’s a sample weekly outline for beginners:

  • Monday: Swim (easy pace) and strength training
  • Tuesday: Short, high-intensity bike session
  • Wednesday: Run (intervals)
  • Thursday: Swim (technique-focused drills)
  • Friday: Rest or light activity
  • Saturday: Long ride
  • Sunday: Long run or brick workout (a brick is a bike-to-run session)

Tips to Maintain Balance:

  • Dedicate specific days to each sport.
  • Adjust intensity to avoid overloading the same muscle groups on consecutive days.
  • Use cross-training to build cardiovascular fitness while reducing impact.

Combining Endurance and High-Intensity Training

To excel, blend long rides with high-intensity sessions. Schedule one long ride and one interval session weekly, and have an alternate focus every: endurance-heavy vs. intensity-heavy.

Also, be sure to avoid the two most common pitfalls, which are skipping recovery weeks and overemphasizing speed at the expense of endurance.

Essential Gear for Triathlon Bike Training

Getting set up to train like a real triathlete can be a significant investment of time and money. That's why we recommend assessing your level in the sport first and then intelligently moving through the stages. A beginner's bike gear needs are very different from an athlete who's Kona-bound!

Read on for a sample of what three phases of cycling gear could look like.

Phase 1: Budget-Friendly Essentials

  • Bike: A used or borrowed road bike, hybrid bike, or even a mountain bike.
  • Helmet: A standard helmet that meets safety certifications.
  • Pedals and Shoes: Flat pedals with running shoes or basic cycling shoes.
  • Comfort: Padded cycling shorts to reduce friction and prevent chafing on longer rides.

Phase 2: Moderate Investment

  • Bike: An entry-level road bike or triathlon bike with clipless pedals (cleats).
  • Add-ons: Detachable aerobars to improve aerodynamics.
  • Tracking: A basic bike computer or GPS watch for speed, distance, heart rate, and cadence monitoring.

Phase 3: Advanced Optimization

  • Bike: A high-end, triathlon-specific bike with aero wheels and electronic shifting, if desired.
  • Helmet: An aero helmet designed for speed and efficiency.
  • Accessories: Many advanced athletes use a power meter to measure effort and maximize performance.

Advanced Strategies for Triathlon Cycling Success

If you have progressed beyond the beginner stage and already have a few triathlons to your credit, you're likely interested in more advanced topics in cycling, such as aerodynamics and specific training methods. Let's take a quick look at some of the considerations you might want to make as you progress in the sport of cycling.

The Role of Aerodynamics in Competitive Cycling

Aerodynamics can save precious minutes during a race. Optimize your aero setup by:

  • Using aero bars to reduce drag.
  • Wearing a fitted tri-suit.
  • Selecting deep-section wheels for flat courses.

We recommend prioritizing a "clean" bike setup such as zip-tied cables and aero bottle cages to maintain aerodynamics without unnecessary spending.

Crucial Bike Fit Tips for the Best Aero Position

A proper bike fit can significantly impact your comfort and performance. Key tips include:

  • Adjust saddle height to achieve optimal pedal stroke efficiency.
  • Ensure handlebars support a neutral spine position.
  • Test your position’s aerodynamics in real-world conditions, such as headwinds and descents.
  • Regularly assess fit as your muscle groups adapt to training.

We also advise investing in clip-on aerobars which will allow you to better maintain an aerodynamic position, as your primary upgrade to maximize speed without breaking the bank.

Tailoring Your Training for the Ironman World Championship

Preparing for the annual IRONMAN World Championship in either Hawaii or Nice, France, requires next-level focus. Here’s are a few key points to adapt to these particularly difficult race courses:

  • Train on hilly and windy terrain to mimic course conditions.
  • Incorporate specific intervals at race effort to simulate the bike leg’s demands.
  • Focus on efficient cadence (80-90 RPM) to save energy for the run phase of the race.

FAQ's on Triathlon Bike Training

Q: How important is bike fit for triathlon races?

A: An optimized bike fit enhances comfort, power transfer, and aerodynamics, reducing fatigue during the bike leg and improving your run well performance.

Q: What should I focus on in my long rides?

A: Prioritize consistent effort in Zone 2, practice nutrition strategies, and work on efficient pedal strokes to improve endurance and energy conservation.

Q: What is the importance of endurance training in a triathlon bike training plan?

A: Endurance training is crucial as it helps build the stamina needed for longer distances, particularly important for events like the 70.3 race. It allows cyclists to maintain a steady heart rate over extended periods, improving overall performance.

Q: What’s the best way to build endurance?

A: Use progressive long rides at low intensity. Over time, aim to surpass your target race distance in training to build confidence and stamina.

Q: How should I structure my training time for a triathlon bike training plan?

A: We recommended, in general, incorporating at least three rides per week into your weekly routine. This includes a mix of endurance rides, and high-intensity sessions to build strength and improve race pace.

Q: What should I include in my warm-up and cool-down during training?

A: A proper warm-up should include light cycling for about 10-15 minutes at a lower cadence to prepare your muscles. For cool-down, gradually decrease intensity for 10 minutes, allowing your heart rate to return to normal and aiding recovery.

Q: What are some tips for improving my race pace on the bike?

A: To improve your race pace, focus on incorporating high-intensity intervals into your training. This might include doing 5’ at a higher cadence followed by 1’ of recovery. Consistency in training will allow you to see improvements over time.

Q: How can I manage sore legs after intense bike training sessions?

A: After intense training sessions, consider a cool-down routine and stretching to alleviate soreness. Additionally, incorporating recovery days and focusing on proper nutrition will help your body recover faster and build strength for future rides.

Conclusion

Mastering triathlon bike training requires a strategic balance of endurance training, high-intensity sessions, and, of course, the right gear. Whether preparing for your first sprint triathlon or the Ironman World Championship, a focused approach will set you up for success.

Ready to elevate your bike training? Sign up to get a free, customized training plan in the MOTTIV app today, and start building toward your next triathlon goal!

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Jennifer Ward

| Author

Jennifer Ward is a journalist and writer who served in editorial roles at both LAVA magazine and IRONMAN. She has lived in Winnipeg, Vancouver, Syracuse NY, Washington DC, and San Diego, Calif., where she truly fell in love with triathlon. In her racing prime, Jen completed 8 full-distance Ironman races and too many shorter races to count, usually landing herself in the top 10 in her age-group.

Taren Gesell

| Author

Taren Gesell is founder and CEO of MOTTIV, and one of the world's top experts on helping adults become endurance athletes later in life. Best known for his YouTube channel ("Triathlon Taren") and his long-running podcast, Taren is the author of the Triathlon Foundations series of books and has been published and featured in endurance publications around the world. He has also been a successful age-group triathlete, runner, and record-breaking swimmer.

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