I don't have a clue. These things don't bother me. I think about the technical stuff but not how many steps or what my heart rate is.
Usain BoltI can still improve a lot, but there is definitely a limit to what the human body can do.
Usain BoltI don't have a clue. These things don't bother me. I think about the technical stuff but not how many steps or what my heart rate is.
Usain BoltI can still improve a lot, but there is definitely a limit to what the human body can do.
Usain Bolt