Cycling interval training: A how-to guide to building endurance and improving fitness

Whether you’re chasing long-distance cycling goals or just looking to enjoy the ride even more, cycling interval training for endurance is your way to get there without burning out along the way. 

So, what is cycling interval training for endurance?

It focuses on a steady, moderate effort over a few minutes (think 10 to 20) followed by a recovery period. 

The result? You’ll ride farther and feel stronger. 

Today, I’m diving into what endurance intervals are, how to use them in your rides, and why they’ll make a big difference for cyclists like you. 

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Why should you do cycling interval training for endurance?

  • You’ll have more power going into your pedals and longer adventures. These workouts step up your cells’ energy powerhouses (aka mitochondria). 1
  • You can keep going without feeling wiped out because your heart gets better at pumping out blood and oxygen. 2
  • You’ll be able to hold higher intensities for longer before fatigue settles in. This happens because your body gets better at making and using lactate. 3
  • Your VO2 max—the max amount of oxygen your body can use—goes up, so you’re all set for those epic rides. 4

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How to do intervals cycling to boost your speed and stamina

Cycling interval training is all about switching between bursts of steady, moderate-intensity cycling and rest.

It’s not quite as intense or fast as high-intensity interval training (HIIT), but it is faster than your regular everyday rides. 

During these sessions, you can choose between active rest—like easy pedaling—or total rest, where you give your legs a complete break before diving into another interval.

What does a cycling interval workout for beginners look like?

It might include a 10-minute moderate effort followed by 5 minutes of easy pedaling, repeated again…and maybe again. 5

Interval workouts are tough—don’t let the moderate intensity fool you! You have to hold that effort for several minutes. 

But you can make it ~a little~ easier if you spend 10 to 15 minutes warming up with some easy spinning.

Why? This gets your muscles warm and your head in the game. 

How long should cycling intervals be?

Let’s break it down:

  • Find your groove: Start with 3 to 5-minute intervals at a moderate pace, where you can say a few words but not a full sentence.
  • Take your time between intervals: Match each interval with an equal or slightly longer recovery. If you push for 3 minutes, follow it with 3 to 4 minutes of easy spinning.
  • Don’t skip the cooldown! Spend 10 minutes doing some easy spinning—I promise, it’s time well spent.

    If you hop off the bike right after your intervals without a cool-down, your muscles might cramp up and feel stiff. So don’t hit the brakes just yet…let yourself ease back into relaxation.
  • Build it up and progress steadily: Start with 2-3 intervals in your first few sessions.

    Then add more intervals and stretch them out for longer.

    Each week, try extending your intervals by 1-2 minutes.

    Keep the intensity at a level where you can still talk in short sentences—no gasping for air!

    Nailed the long intervals? Shorten your recovery time to up the challenge. Steady improvement is the goal!
  • And as always, stay in tune with your body. If something feels off or isn’t quite right, switch things up!

    Turn down the intensity or shorten the intervals.

    Remember, it’s always the effort that counts.

Don’t fall for these mistakes in endurance interval training 

  • Starting your intervals too fast. I get it—it’s easy to do when you’re fresh and ready to go. The catch? It holds you back from finishing your workout. The fix? Kick off your first interval a bit slower than you think. You can always dial up the intensity later. 
  • Skipping the warm up. A good warm-up gets your muscles warmed up and your mind focused, so you’re ready to rock those intervals.
  • Ignoring the cool down. This is your moment to decompress after all that hard work.

    A good cooldown acts as your transition time—from your ride to getting ready for whatever comes next.

    Because let’s get real: we don’t have time for unnecessary fatigue and soreness.
  • Pushing too hard in recovery. Those recovery times between intervals are as important as those intervals.

    Think of it like catching your breath after sprinting for the train—you can’t just jump right back into a sprint!

    If you push too hard during recovery, you struggle in the next interval. 
  • Doing more than 1-2 interval sessions in a week. Intervals are great for your fitness, cramming them in too often is a surefire way to land in burnout or injury town. Keep it balanced!
  • Ramping up too quickly:  We’ve all been there—ready to see results FAST

    But remember to take it slow and steady! You want to allow yourself time to adapt to the work and keep moving forward without getting hurt.

How often should I do endurance intervals?

Start with just one endurance interval session a week.

Why only one?

This is to ensure that you’re not taking yourself to the brink of exhaustion. Less is more here! I’ll explain that more in a sec…

After a month or two, once you’re feeling stronger, try adding a second session to your week—spread out by at least 48 hours to let your muscles heal after this hard workout.  

Now back to the idea of less is more. The real secret to progress isn’t just about how hard your workout is. 

It’s all about how you take care of yourself afterward.

Recovery isn’t just some random pause in your routine—it’s where the real magic happens.

Ever had a hard workout?

And then tried to keep that streak going the next day? Often, it just doesn’t happen.

That’s because after a tough session, your muscles experience tiny tears (hello, heavy legs!) that need time to heal. 

This rebuilding phase is all part of the process.

You need some time off to let your muscles recover.

After all, it’s what boosts your endurance, prevents injuries, and keeps you feeling strong and motivated.

The Newsletter

Real cycling advice for real life

Every two weeks. No fluff.

  1.   Burgomaster, K. A., et al. (2008). “Resistance training is associated with increased mitochondrial biogenesis in human skeletal muscle.” Journal of Applied Physiology, 104(4), 1027-1034. ↩
  2.   Huang, Y., et al. (2019). “Effects of moderate-intensity interval training on cardiovascular risk factors in adults: a systematic review and meta-analysis.” European Journal of Preventive Cardiology, 26(14), 1586-1595. ↩
  3.   Laursen, P. B., & Jenkins, D. G. (2002). “The use of interval training for endurance performance.” Sports Medicine, 32(1), 53-73. ↩
  4.   Kemi, O. J., & Wisloff, U. (2010). “High-Intensity Interval Training vs. Moderate Continuous Training: Which Is More Effective?” Current Sports Medicine Reports, 9(4), 236-241. ↩
  5. Anaerobic Threshold: Its Concept and Role in Endurance Sport ↩