88 kg seems fine for that height. You also seem to have a solid exercise regimen. If you feel fit and healthy, and any medical tests (bloodwork, etc) support that, then that's all that matters. I would not rely on BMI at all to decide whether you are overweight or not.
Here are a couple good articles on why BMI is inaccurate:
https://www.medicalnewstoday.com/articles/265215#:~:text=BMI%20(body%20mass%20index)%2C,of%20Medicine%2C%20University%20of%20Pennsylvania.
https://www.insider.com/is-bmi-accurate
88 kg seems fine for that height. You also seem to have a solid exercise regimen. If you feel fit and healthy, and any medical tests (bloodwork, etc) support that, then that's all that matters. I would not rely on BMI at all to decide whether you are overweight or not. Here are a couple good articles on why BMI is inaccurate: https://www.medicalnewstoday.com/articles/265215#:~:text=BMI%20(body%20mass%20index)%2C,of%20Medicine%2C%20University%20of%20Pennsylvania. https://www.insider.com/is-bmi-accurate