Fitness and Freshness graph for Run activities

I, as most use Strava for running and cycling.  I don't know the actual calculation, but the tool Training Peaks allows you to map your TSS, IF and training stress balance for running.  This would be a great feature to add in to help with training for events.



192 opmerkingen
  • Hi Ellie,


    Have found the updated F and F graph - looks good, especially marking races, I'm always looking for how my scores have changed between races, so this is a great feature.

    Having said that, I noticed that if the race is on the same day as other events it doesn't display. I usually split my rides into commutes to and from the race, with a separate entry for the race.

    I've attached a screenshot with an arrow pointing to an example.

    Cheers, Justin.

  • Hi Ellie, 


    Before you assign valuable resource into looking at Justin's issue please can you let us know when Fitness and Freshness will be available to runners (which as you know is the purpose of this thread!).


    many thanks.

  • Will the changes tot eh Fitnees/Freshenss graph also reflect this previously issue raised.


    Currently, updating your FTP causes a mass change to all prior workout data, rendering all the past performance data inaccurate (the data is only as good as the FTP it is attached to).



  • I have just joined premium purely to use the fitness / fatigue chart across running, cycling and swimming as I've just started training for triathlons. Feel very cheated the write up on what you get with premium doesn't state this up front. I've cancelled my premium account and will use training peaks instead. 

  • So 1 month since the last offical update so any update on how the testing is going?

  • Agree with Kieran, F&F chart is completely useless if a change in FTP is entered as that change is applied to the entire history of the athlete, whereas it should only be applied to future activities.

  • Hi. I'm looking forward to when this feature is made available to all sports with HR data. Any update on when it will be available? The description on the fitness & freshness page says it will be available to runners soon (it has said this ever since i became a premium member in late 2015)

  • Any updates?

  • I have running and All Activities as option on my graph as of the last 25 minutes

  • Can we have a progress update on the internal testing ?



  • there it is B-)



  • Hello everyone, a quick update. 

    Fitness & Freshness is now available to Premium runners and multisport athletes. Any activities recorded with heart rate data will now be included in your Fitness and Freshness calculations.

    See our blog for an overview. 

    There are a few activity types that do not yet have suffer scores (Nordic Ski and Backcountry Ski) and will not show in the graph. However, we are working right now to get all activity types updated so that any activity with heart rate will be included in the Fitness & Freshness feature. 

  • Finally!

    Stravistix already has implemented the Swim functionality... how much longer for Strava to follow?

  • Hi Elle,

    Does it support optical heart rate data? From Garmin 735XT for example as my graph shows nothing...


  • It works having entered an FTP score, I do not have a power meter so have no idea of my FTP. 

    If I am only looking at heart rate data, can I just enter any number or will it affect the results? Would be useful to know of a work around that isn't potentially skewed by FTP.

    Seems a bit silly that you have to enter a value for FTP given there are heart rate only options, it didn't used to be like this... 

  • Better late than never. Thanks for adding it.

  • Great to see this implemented. though not sure about a few things.

    As to a couple of other comments - I've got a Garmin 735xt, and the Optical HR has come through (kind of)

    If I look at a 6 month period, the fitness profile looks about right - sharp peaks for activities, with a decline. However, recent runs are really odd. Several have negative suffer scores, which I just don't get? Anyone else seen this?

  • @Rob, What you describe with FTP is a bug, and we'll be removing that criteria soon. Thanks for the heads up! 

  • Thanks Elle, any idea when it will be removed?

    If I have entered a value... can you confirm whether it will be affecting the data of the graph if I look at heart rate only?


  • Brilliant. Glad to see running added. Much appreciated.

  • Fitness & Freshness  il significato dei numeri sul grafico

    es .45 fitness -1    48 affaticamento     - 4 forma fisica 


  • Great to see running added to the F&F graph, but.... how is the running score calculated? It seems it is based on suffer scores which are based on HR zones. I use HR zones for both bike and run, but my training zones are different (I don't have a PM). I customised the zones for the bike (lower HR), but this results in my run suffer score being inaccurate. As an example, a 30min easy run had a suffer score nearly twice as big as a 1 hour interval bike session. The result.... the F&F graph is giving me false information. 
    Is there a way to have separate running and bike HR zones customised (like Garmin and others do)? Or can the run suffer scores be calculated by Pace Zones? Thanks

  • So happy this is finally launched.  Thanks!

  • @Brenton, I started a support ticket for you so that someone from our team can follow up. 

  • Elle,

    I had one run where my HR got all screwed up and I ended up with average HR of 128 and my suffer score being 88 (14mi@2hrs). For a run of this nature, my suffer score should be in the 300's. Is there anyway to edit the suffer score?

  • @Katsu, sorry to hear. Strava doesn't have any tools to edit bad Heart Rate data at this time. I think we could consider a "manual override" of HR data and/or Suffer Score in the future. 

  • @Elle, HR zones / max HR _per activity type_ has been requested for years, and has been actively ignored by you.

    I have cancelled my premium subscription long ago since the Strava data becomes useless - either Suffer Score for cycling is off, or it's off for running, since my max HR differ for running and cycling (as it always does). 

    All the Strava data analysis is based on HR and HR zones, so not being able to have different zones for different sports is unbelievable stupid. Garmin, Sport Tracks, they all have it, and I am a paying Sport Tracks customer, btw, so you have lost my money for the past few years (as you have with others).

    I'd be very interested in what happens with this support ticket and the reasons behind not implementing something in so obvious demand for so long. Making this kind of new fancy F&F stuff, with the underlying data being useless... interesting, but nothing I would dream of paying for.

  • Hi Elle,
    It is working well for me thank you. However my Garmin has just died and I am.having to use an old monior which doesn't sync with Strava whilst I await a replacement. The next step would be to be able to manually add heart rate data so this wouldn't cause a false drop in fitness and elevation in freshness om the graph. It would also mean I could include my swims in the data.

  • @Elle, regarding that support ticket for Brenton. Here's one of the New Feature discussions about this.


    Without sport-specific HRmax you can't use Suffer Score or Fitness&Freshness for other sports. If I enter my running HRmax I get bad results for cycling, and vice versa.

    @Elle, I'd be very interested in hearing your comments on this!

  • @Calle, I don't understand this logic. Not that I disagree, (I don't do much cycling), but myself and a friend at work have been talking about HR/Suffer score for different activities.

    Surely HR/zones should be consistent across exercises? If I'm exercising close to my maximum heart rate, surely this generates the same suffer score points whether it's running or cycling?

    As for the feature generally, while I'm glad it's made an appearance for running, I'm baffled how it got through testing - my support ticket (thanks for raising Elle) immediately said my running activities were skewed because of Power metrics in previous activities (I had used Stryd a few times). So does the Heart Rate Only activity filter actually do anything?

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