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How Long It Takes To Recover After A Swim And When To Train Again?One question we are frequently asked by swimmers is how long does it take to recover from a swim session and when should you train again?
The first thing to appreciate is that you normally don't want to recover completely from a training session before training again - that would leave too long a gap between sessions and your overall training volume would end up being too low. Instead you will train again with a small amount of residual fatigue from your previous session or two.
Before we get into the actually recovery periods, let's introduce something called sTSS (Swimming Training Stress Score). This sounds complicated but it isn't really - it's a single number we can give to any training session or race that tells us how hard it was and how long it will take to recover from it. The higher the number the longer the recovery afterwards.
To give you an idea a sTSS of 40 is an easy session which you would recover from very quickly. 70-80 is a tough swim requiring more recovery. An sTSS of 100+ is a big session that will give you significant fatigue for a few days.
If you're a Guru PRO subscriber you might have noticed these sTSS numbers have been calculated for you in your Activity Log:
TSS numbers initially become popular with the invention of cycling power meters but they can also be calculated for running, and now in the Guru, for swimming too. TSS numbers are lower in swimming than in cycling and running, and recovery tends to be correspondingly quicker.
So what sort of sTSS numbers do we get for different training sessions and what does that translate to for your recovery and training frequency?
Introducing: The Swim Smooth Recovery Chart
This funky new chart shows the relationship between sTSS, full recovery and when to train again:
As mentioned above, notice how the time before training again is always less than the full recovery time.
Also see this version where we've added in different training sessions as a guide along the bottom:
Taking classic training sessions from the Guru as examples:
Technique Endurance Session (2.5 - 3.5 km): 48 hours for full recovery, train again in 24-36 hours
Sprint Session (2 - 2.8 km): 48 hours for full recovery, train again in 24-36 hours
CSS Session (2.4 - 3.2 km): 60 hours for full recovery, training again in 36-48 hours
Red Mist Session (4 - 6 km): 84 hours full recovery , train again in 48 hours
Note, if you are very fit you may recovery slightly quicker and be able to train again slightly sooner.
Running A Full Fitness ModelBut if you are really into your numbers and analysis you don't have to stop there, we can use the sTSS numbers to run a full fitness model - showing how your fitness is developing over time and how tired you might be on any given day.
In the Guru this is called the Fitness Tracker (subscribers can find it here) and it allows you to see what training is making the difference, how to improve versus previous years and when you are over-training:
Watch Paul's video explaining how this works here:
The Swim Smooth Guru
The Guru is our intelligent coaching system to improve all aspects of your swimming from stroke correction to training plans to open water and racing skills. The Fitness Tracker is just one of many powerful features within the training area of the system.
You need a PRO license to use the Fitness Tracker and sTSS calculator. Signup today, there's no tie-in period:
If you are a Standard version subscriber you can upgrade to PRO here:
* Of course if you are a triathlete using Training Peaks user you can enter Guru sTSS figures straight into Training Peaks to assess your overall training load. Full integration coming soon.