Nope... you seldom have your coach 24/7 and can communicate with you when you are competing but with your brain smart enough to learn another profession(aka coach), you get something others don't. When you are a researcher, you can propose good researches and make breakthroughs of sports science theory ahead of the papers... coz you don't need to write them
「念數學。」
「怎麼會參加奧運？」
「鐵人三項受傷只好騎單車，騎一騎就變冠軍了。」
（早年奧運的確只限業餘運動員，不過已經取消這個限制了）
When you are a researcher, you can propose good researches and make breakthroughs of sports science theory ahead of the papers... coz you don't need to write them