That be wonderful @Faithe64
Feel free to add your suggestions to the 'Feature Requests' Sub Forum, where users can vote, add comments,.. if there's a certain interest then there's a chance the developers pick it up and it'll be developed.
Important to prevent duplicates Search if the idea already has been suggested and add your vote / comment! 
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Hello @Faithe64 welcome to the Fitbit Community! 🙂 As @SunsetRunner mentioned the best way to make your voice heard if the Feature Request board, I found this idea: Track rowing data - Strokes, SPM, Time that I think it's related to what you need, please vote and add your comments to the idea! 🙂
Happy stepping! 🙂
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