Raise the Roof: Training Guide part 1, Aerobic Fitness

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Every runner who’s scraped rubber for two consecutive steps realizes there’s no magic pill in distance running. Do the work; reap the rewards. I’m not the first and won’t be the last to write a post on aerobic training for runners (take a look at our recent post on racing for a few more examples).

The rule-all, always works, everyone must do it factor for distance runners is (big reveal!) aerobic conditioning in training. Hands down. It’s not as obvious of a conclusion as one would think, if you consider how the vast majority of runners train.

Follow me a moment as I outline this.

What Most do Wrong

Intervals.

Effective aerobic conditioning is vital for training as a runner. Raising aerobic fitness is the key to raising the fitness ceiling.

They are great when you’re gearing up for the final push toward your peak competition. Otherwise, outside of the highly self-aware and carefully intentional athlete, they are likely more of a hindrance than a help. And they are NOT aerobic conditioning.

Too hard too often.

A well-known Olympian from our area likes to tell the story of his middle school years and how he trained. He had this 4 mile loop he would run from his house. Every day he would try to run it faster and faster. Naturally, that would be a silly strategy for anyone with long-term aspirations. Incidentally, a great many runners do similar things (trying to go longer every day, further every run, a little faster each time, etc.).

Too symmetrical.

The most common symptom of this issue is runners running approximately the same distance most every day. But the other side is running about the same pace for every run. Both are problematic.

Why Those are Wrong

Very smart people, who have done research over long periods of time, consistently agree on the physiological happenings of the primary categories of training (like aerobic and anaerobic). I’m not a science person. I don’t do my own research, so I suggest reading their stuff (top recommendation is Healthy Intelligent Training by Dr. Keith Livingstone, but I also find a lot of value in Steve Magness’s work).

I will synthesize one fundamentally essential idea from all of the fancy science: for distance runners (and even middle distance), everything else you do depends first on your aerobic capacity

The reason the list above is wrong is because none of those things are effective at building aerobic capacity in training. To completely understand why, you probably need to read the science. The truth of it is that there is a very small list of best ways to build aerobic capacity. And for a distance runner, the vast majority of what you do in training should come from that small list. Let me break it down.

The Three Guiding Principles For Aerobic Training

1. Build volume slowly over time.

Speed is not nearly as important as distance. Running longer every day doesn’t work either. The common sense approach (popularized first by Lydiard) is to do something like every-other day long/short with every 3rd or 4th long being a little longer than the previous two or three (the traditional long run).

2. Vary distance and effort.

To oversimplify, just don’t do the same distance and effort two days in a row (or if you do, definitely do something different on the third day). Fans of the 80/20 rule will cringe at what I am about to say, but it needs saying. You should be running closer to 50% of your runs at a harder effort than simple easy running. That said, harder efforts include things like simple fartleks and long runs. I am NOT advocating for interval workouts every-other day, as you hopefully have already realized from above comments.

3. Avoid extreme efforts.

The fact about growing aerobic capacity is that it is done most effectively through regular moderate-effort runs. In the opposite extreme, if a run is too easy, then it may have little or no actual benefit to your fitness. When building aerobic capacity, the best course of action is to make sure every run is quality. To do that without over training, harder efforts need to be moderate enough that they do not require serious periods of recovery after the fact.

At this point, I want to do the practical thing and give some examples. Bear in mind, however, that we do NOT condone people trying to take and replicate someone else’s examples of training. If you do want some support in crafting your own version of this, we are happy to consult with you about your training.

How it Looks

Consider this example of a very common week of training for me and Andi. (I am outlining both to show how it can scale. We do very different volumes while implementing exactly the same concepts). Also, nearly everything I am sharing is informed by or directly references principles founded by Arthur Lydiard and captured in Dr. Livingstone’s book.

Andi’s Week (50-65 miles)

Effective aerobic conditioning is vital for training as a runner. Raising aerobic fitness is the key to raising the fitness ceiling. atozrunning.com

Monday: 10 miles, 30-45min STEADY
Tuesday: 4-6 miles EASY
Wednesday: 12 miles, 30-60min STEADY
Thursday: 4-6 miles EASY
Friday: 6-8 miles, fartlek/striding throughout
Saturday: 14-18 miles EASY to MODERATE
Sunday: OFF

Zach’s Week (85-100 miles)

Effective aerobic conditioning is vital for training as a runner. Raising aerobic fitness is the key to raising the fitness ceiling. atozrunning.com

Monday: 10-12 miles EASY
Tuesday: 14-16 miles, 60min STEADY
Wednesday: 10-12 miles EASY
Thursday: 14-16 miles, 45-60min STEADY
Friday: 10-12 miles, fartlek/striding throughout
Saturday: 18-22 miles EASY-MODERATE
Sunday: 8-12 miles EASY

Defining Terms

EASY = low end of aerobic threshold (based on EFFORT, not pace)

STEADY = (borrowed from Lydiard/Livingstone) the effort is something in the high end of aerobic threshold, usually a little slower than marathon pace effort

FARTLEK/STRIDING = we do a short, fast stride every 3 or so minutes over the course of the run (up to 10 total)

*It is worth noting that neither of us actually run consistently uniform weeks. We are adapting constantly because of schedules and kids. Additionally, these weeks represent what we are doing at our highest sustained point of training. We take at least 6 weeks to build up to that point.

Some Lessons Learned

Understanding how especially nuanced and contextual these things are, I’ve included one more contemplation on how we adapt the concepts.

1. Training Based on Effort

Effective aerobic conditioning is vital for training as a runner. Raising aerobic fitness is the key to raising the fitness ceiling.

Trying to train based on effort instead of tangible things like pace is hard. Heart rate monitors are helpful, and some of the newer tech in things like foot pods are even better. However, any kind of external measurement is a kind of handicap that ultimately reduces a runner’s ability to effectively self-regulate. Keen self-awareness beats reliance on external data every time.

2. Sustaining Higher Volumes

For Zach, the focus is much more on sustaining higher volumes and longer moderately hard efforts. 

3. Focusing on Consistent Quality

For Andi, health has prohibited her from extending herself as much. She focuses a bit more on consistent quality and a bit less on length of individual runs and weekly mileage.

4. Containing Efforts

Zach repeatedly needs to remind himself (check out his July 30th run on Strava for an example) to contain his efforts. He must fight the urgency to run faster and harder on workout days.

Andi feels the need to race a bit more than Zach does simply for the enjoyment of it (we do both love racing).

5. Maintaining Steady Efforts

Steady efforts almost always feel too easy, and that’s a good thing. Most of the time, when I finish a steady run done properly, I feel like I can just keep going and going at that pace. That’s kind of the point.

6. Evaluating Soreness

Soreness is not actually a good thing. In most instances, soreness as a result of hard efforts is indicative of some degree of acidosis in the muscles. This is what happens when you run too hard – lactate threshold kind of idea. This is not including things like tight muscles and potential soreness from injury-related things.

7. Considering Effort Variation

Effort, whether easy or moderate or steady or otherwise, is always a spectrum. Effort varies based on a multitude of factors like sleep, time of day, hydration, temperature, terrain, etc. It makes no sense to think that because I ran 5:41 pace for an hour a week ago, that I should be able to automatically do that or better this week. I don’t really care whether I run 5:30 pace or 5:50 pace so long as the effort falls within the window of the intended effort for that run.

Effective aerobic conditioning is vital for training as a runner. Raising aerobic fitness is the key to raising the fitness ceiling. atozrunning.com

Other considerations worth mentioning:

  • Running surfaces. We recommend at least 1 or 2 runs/week on soft surfaces like grass, trails, etc.
  • Type of shoe. Neither of us ever train in racing shoes on a regular basis. There is some merit in wearing a more aggressive shoe now and then for things like fartlek days.
  • Nutrition and hydration. Zach almost never takes any kind of aid. He rarely even water during workouts, the exception being some long runs, and so many other ancillary details.

Recap

Effective aerobic conditioning is vital for training as a runner. Raising aerobic fitness is the key to raising the fitness ceiling. atozrunning.com

Ultimately, the importance of effective aerobic conditioning for running training simply cannot be overstated. Raising aerobic fitness is the key to raising the fitness ceiling. Even so, it is inglorious and unattractive and takes time. Lots of time… for long periods of time, when done properly. (A good marathon training cycle really should be a 6-month endeavor.)

So if nothing else, follow those three simple guiding principles. You’ll be well on your way to a powerful aerobic base on which to grow your fitness during training.

By the way, there’s more!
Becoming a Stronger Animal Part 2
A Well-oiled Machine Part 3

10 replies
    • Zach Ripley
      Zach Ripley says:

      Weeelllll… we also talk a better game than we practice… But the ideal is always before us, and it helps having each other as accountability and encouragement!

  1. Jen Wackerle
    Jen Wackerle says:

    Thank you for defining “steady” pace! I often hear it referenced, but never knew exactly what that pace is supposed to look like

    Reply
    • Zach Ripley
      Zach Ripley says:

      Certainly!
      But on that note, Jen, I probably didn’t give a very GOOD definition of steady… It’s really just the concept of running hard enough to get an elevated aerobic benefit without crossing into anything anaerobic. For most, that means <85% of maximum HR or <75% of HR reserve.
      Marathon pace is right about that 80-85% of max HR, so it definitely needs to be under that. More importantly, though, it is completely relative to your current state and the amount of effort.
      (And I should add that personally, I like to stay about in the middle of the steady range - usually about 20-30 seconds/mile slower than goal marathon pace.)
      Quick example: I know a 2:18 marathoner who, when at the early stage of a training cycle, runs "steady" at around 6:30 pace. Naturally, that should not be hard for a guy who runs a full marathon at 5:16s, but at the beginning, it qualifies as a steady run based on the amount of effort it takes when coming off a long break.
      The most important thing is the effort factor: steady runs are the bread and butter aerobic workouts because you can do them frequently (really, most could handle steady effort runs very nearly every other day, if desired) and they ensure you're never overdoing it.

  2. Benjamin Murray
    Benjamin Murray says:

    One of the simple ways that I am forced to vary my pace during the week is whether or not I am running with a stroller. The next is whether or not I am running with Brit. It is so easy to fall into the trap of trying to push each run just a little more than the previous. Thanks for the post.

    BTW, I think it would be a fantastic endeavor to find out state and national records for single, double, and triple stroller 5k, 4 mile, 10k, 1/2 marathon, and marathon.

    Reply
    • Zach Ripley
      Zach Ripley says:

      True, Ben. True.
      I didn’t want to get into it in this post, but running with others is another delicate aspect of all of this. Consider this: an easy run for you may be a little on the harder or more moderate end for someone else, or the opposite, and an easy run for someone else might be practically valueless for you.
      For those with serious competitive goals or interest in significant improvement over previous bests, running with others regularly in a manner that puts you outside the ideal range for that particular day/run can also prove detrimental. Thus, there is increased need to understand yourself, structure your training according to your situation, and adapt intelligently to such aspects.

      Simple example: I jump at the chance to run long runs with Dathan Ritzenhein (he doesn’t ask often, though we do live quite near each other), but I have to be careful, because an easy long run with him has the potential to be near marathon pace for me, which is not the right kind of effort for 18-22 miles…

      Also:
      – marathon world record with stroller: 2:31
      – half marathon world record with stroller: 1:09
      (I considered giving both of them a go last year…)
      – 10k is something like 32 or 33
      – 5k apparently is not recorded officially anywhere, so the first one to claim it gets it!

    • Zach Ripley
      Zach Ripley says:

      For sure, Pete. Worth a read – a little confusing at times (feels like he kind of jumps around a bit while you are reading), but worth it.

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