Need some advice in TSS
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Hi forum, just need some advice from someone who understand this metrics,my main sport is road running, occasionally one trail run,I always use chest strap and I have settled My pace threshold, HR threshold and power threshold,this is not from a recent test, because I did a marathon almost 3 weeks ago,but I feel like I didn’t lose fitness,my question is if i use pTSS or hrTSS the values are much lower than with rTSS , about 70 tss in the week if I use power and 80 if I use hr,and says im maintaining,no gains, however if i use pace then the values change significantly. For those who only run is better use rTSS?
Thanks in advance -
@tiago said in Need some advice in TSS:
Hi forum, just need some advice from someone who understand this metrics,my main sport is road running, occasionally one trail run,I always use chest strap and I have settled My pace threshold, HR threshold and power threshold,this is not from a recent test, because I did a marathon almost 3 weeks ago,but I feel like I didn’t lose fitness,my question is if i use pTSS or hrTSS the values are much lower than with rTSS , about 70 tss in the week if I use power and 80 if I use hr,and says im maintaining,no gains, however if i use pace then the values change significantly. For those who only run is better use rTSS?
Thanks in advance -
@tiago if you have the choice I’d personally go for the TSS variant that a) you can most usually collect data for and b) most closely matches how you train.
For instance, if you train by power and always have a means to record power then use that. But if you mix in swims, cycling and cross-training that doesn’t allow you to use power to calculate a TSS I’d go for hrTSS to standardise across the different workouts. hrTSS is the most ‘portable’ but is most easily impacted by altitude, temperature, illness and non-training stresses - which can be seen as both a negative and a positive.
TSS is, as far as I know, a unit-less and non-cross-comparable value that only has relevance within the context of your own training so it’s how TSS is used in TRIMP, CTL, ATL and TSB and how those values change over time that’s important. As you’ve pointed out, swapping which TSS value you use is going to impact those numbers.
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@far-blue thanks for your answer,I have stryd since 2020 but never trained by power,I do some time trials only to see where my fitness are during a preparation for a marathon or half marathon,but in terms of threshold workouts or intervals i always use pace as a guide for my workout. In my easy days I like to stay between 135/150 bpm, whatever the pace is. So based on what you said I think the most suitable for me is using rTSS , because in the key workouts is what i use as a guide. And is easy to maintain because I don’t cycling or swim,so no problems there
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@tiago If you run trails, either power or pace is not useful IMHO. I use HR as a gauge but mostly train by RPE. On long trail runs I will be more fatigued at the end of a run and HR is not a good method to use as it will cause me to run slower than I should.
If you run mostly on pavement then pace or power should work well.
