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THE NEED FOR SPEED

The long winter days are behind us and by now you should hopefully have built up a strong aerobic system and fat-burning base. You’ve spent some time in the hills to develop better strength and now you want to maximize the top end of your engine to propel to peak speeds at the races. It’s time to go fast!!

There are many ways to increase speed and peak performance but what’s most important is that you do the correct type of speedwork for you as an athlete and for your chosen sport and distance. Every sport has different demands that need addressing depending on your goals. For example, all cyclists ride bikes but sprinters are (metabolically) built differently to the climbers and time triallists are different to mountain bikers. You can see the same in running where marathon runners are made up differently than milers. In Triathlon, speed for the IRONMAN looks different than speed for a draft legal Olympic distance specialist.

So, first off you need to know where the main focus of your speed development needs to lie. In general, the longer the race the more you want to focus on developing your “threshold” as this is going to be more related to your race pace. If you are a shorter distance athlete then developing your VO2 and lactate tolerance is going to drive more gains BUT …. that said, we must always remember that “complete athletes” develop ALL of their physiology to the best level possible and it’s more that their genetic strengths dictate the type of racing that they are most successful at.

So, often you will see a world class marathon runner PR at 5k before breaking a marathon record. Their focus is the marathon but the speed and biomechanical benefits they get from being able to run a fast 5k still help their larger goal. Same as the athletes who win at the IRONMAN. They have often come from faster paced Olympic distance backgrounds. Ok, so with that noted, how exactly do you develop speed and what can you take away from this article and apply to your own training to get RESULTS? Time to get technical…..

So I divide “speed work” in to 3 main categories :

  1. Threshold
  2. Aerobic Capacity (VO2)
  3. Peak Speed

Threshold

Threshold work is typically done through longer reps performed at your threshold (which as you know is best measured through lactate testing) off relatively short recoveries. The goal is to work hard and fast but at an effort that is sustainable for a longer time. Think of this as 12km pace for a runner, 40k pace on the bike and 1500m pace in the pool. Work at your cycling FTP fits right in here. This type of training is therefore directly related to good 10km, time trials and Olympic distance triathlon racing, not forgetting also that the better your threshold the faster you will be at the longer race distances too.

A good standard threshold set is something like 10 x (5 minutes at threshold off 1 minute of easy recovery). The recovery is just enough to be able to do the reps at the same quality over and over again.

Aerobic Capacity (VO2)

VO2 or “aerobic capacity” training is where you are working above your threshold at fast paces but in such a way to develop speed that is still sustainable. For runners, much of this work is done at “5km target pace”. Here the goal is to move faster than usual to work at speeds that are new to you to extend your top end ceiling and really drive your engine to its max. So, the pace and effort is high and the recoveries about half the length of the rep.

For example, 10 x (2 minutes @ VO2 effort off 1 minute of easy recovery) or you could double this for 10 x (4 minutes @ VO2 effort off 2 minute of easy recovery). The basic rule is to give yourself more recovery than you would for threshold work (so that you can work harder) but not “full recovery” which would allow you to do the reps at too high an effort which would produce higher lactate levels from too much anaerobic contribution. Remember that we want AEROBIC speed from this work.

As a coach I demand 2 things when doing this type of work:

  1. Precise recovery times matched to the length of the interval (2:1 ratio) – never a “jog a lap” recovery, ugh!
  2. “Even splits” (that is “the same pace”) for each of these reps.

This allows us to track sessions over time and know what is improving. For example, if in week one you can run 12 x 400m at 8 minute/mile pace off 1 minute recovery and in week 4 you can do the same set but at 7.40 min/ mile pace then we KNOW that you are improving.

Peak Speed

Peak speed work has its place for every athlete and. Here you do short, very fast work at near maximum efforts off literally as much recovery as you want!! Genius running coach Jack Daniels calls this “rep” work. The goal is to bring together your optimal technique and recruitment patterns at a fast pace. It forces your cardiovascular system to work at peak levels, enhances your ability to produce pure speed and to also flush out lactate effectively and quickly.

In the early phases of training we do “A-lactate” work which is typically less than 8-10 seconds in length and doesn’t stimulate high lactate production which is something we want to avoid when building an aerobic base. Here though, during a speed and peak phase, we want reps that are 30-60 seconds long and really challenging. Taking “total recovery” between reps maintains high speeds and quality of movement. Runners might do 4 x 200m off 3 minutes rest and cyclists 4 x 60 second all out efforts off 5-10 min easy spin.

So, there you have it. Some tricks and concepts to help you get faster BUT as always it’s smart to remind you that this type of training is highly demanding and “the icing on the cake”. It should therefore only be done only once you have a great aerobic base and solid biomechanics.

KNOW YOUR ZONES

Anyone training with science will be using a heartrate monitor and power/ pace to most accurately guide their training. However, “instinct” and a “sense of effort” are also key skills to bring to your training and race pacing. The more information you have to hand, the better the process.

 

There are also those times when your damn HRM won’t work for some unknown reason and it’s usually when you want it the most!!! In these cases, “RPE” (which is the Rate of Perceived Exertion) is a really useful fall back option. It also helps you better understand how each zone should “feel”.

 

The RPE scale is defined on a scale of 1-10.  Here is a quick guide on how to interpret your zones based on RPE.

 

Zone 1 : ACTIVE RECOVERY

RPE = 1 to 2

Little to no resistance/effort.  Typically walking or spinning without exertion.  Can be done all day.  Nothing above normal breathing.

Talk test: can hold a conversation.

 

Zone 2a:  AERO

RPE = 3 to 5

Light effort.  A long sustainable endurance effort that can be held for long periods of time.  Slight labored breathing above normal.

Talk test: able to talk and converse with slightly higher than normal breathing.

Race Pace : Ultra running

 

Zone 2b : LT

RPE = 5 to 6

A moderate amount of exertion that can be held for a long period of time.  Breathing is somewhat labored.

Talk test: able to talk and converse with slightly higher than normal breathing but would rather not.

Race Pace : Marathon and Ironman effort

 

Zone 3 : AC

RPE = 7

A strong exertion that can be held for a moderate period of time.  Breathing is more labored.

Talk test: Short sentences are ok but you are reluctant to hold a conversation.

Race Pace : Half marathon and 70.3

 

Zone 4 : SST

RPE = 8-8.5

A significant amount of effort that can be held for short intervals or a race like a 5 or 10km.  Heavy breathing.

Talk test: a few words at a time if you really had to.

Race Pace : Olympic Tri & 10km

 

Zone 5 : VO2 

RPE = 9+

A high level of effort that can only be sustained for very short periods of time such as high performance intervals.  Very heavy breathing.

Talk test: one to two words.

Race Pace : Sprint Tri & 5km

 

Zone 6 : POWER

RPE = 10

Max effort.  Small maximal bursts up to 30sec.

Talk test: forget it!!!

Race Pace : Sprints

HOW TO DO INTERVAL TRAINING CORRECTLY

Interval training is one of the best ways to increase performance across all endurance sports. It is therefore a regular staple in all of my training programs.

 

During interval training you typically work at higher intensities than you are normally used to sustaining in an effort to increase aerobic capacity and push your fitness to a new level. You do this by doing short “intervals” followed by a brief recovery. Over time as you get fitter you will be able to do longer intervals at the same pace and over time your sustainable pace will increase too. For example, early on in the program you might do:

 

10 x 2 minutes at a zone 4 (SST) effort with 1 minute recovery between each interval

 

As you get fitter this session might grow into something like

 

5 x 4 minutes at a zone 4 (SST) effort with 1 minute recovery between each interval

 

Here you can see that the length of time at the higher intensity is increased to keep pushing you to become fitter as you adapt to the training stimulus. There are many ways to work with intervals and with me you don’t have to worry about the science behind them so much as how to do them accurately!

 

Tip #1 : Always press the “lap button” on your smartwatch at the start and end of each interval

 

How you should approach these sessions so that you get the most out of them largely depends on the technology you own. That’s because when moving at a set pace/ speed, heart-rate takes about 3 minutes to rise then stabilize. If you are only doing short 1 to 3 minute intervals you can see that heart-rate will not be the correct judge of effort for the interval. Therefore, you need to also use your instinct along with power on the bike or pace on the run to accomplish the repetitions accurately.

 

Tip #2 : Set up a dedicated screen on your smartwatch so you can see all relevant data with ease

When you start the first interval, simply work at the correct power, pace or effort that is associated with the target training zone. (You will get to know this exactly through the lactate testing that we do ). Over the first few intervals you will see the HR gradually start to come in to zone and stabilize earlier in each interval.

 

As your session continues, watch to be sure that the heartrate does not go over the upper target for the desired zone. If the heartrate goes too high then lactate production will increase and this will shift your fuel usage and undermine the goal of the training session. Therefore as the session goes on, you might have to ease off the pace/ power to keep the heartrate “in zone”. As you get fitter you will find that you won’t need to ease off the pace and that you are able to complete more intervals at that same effort.

 

Tip #3 : it’s always better to start a little too easy that to go out too hard!

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