Step 1: Understanding the passage.
The passage mentions that the connection between sports and the Greeks is very ancient. It says that the Greeks were the first to organise and systematise sports activities.
Step 2: Explanation.
This clearly indicates that the relation of sports with the Greeks goes back to the ancient period, when the Greeks first developed rules for various competitions such as discus throw, wrestling, and chariot races.
Step 3: Conclusion.
Hence, the relation of sports and Greeks is from the ancient period.