興味の赴くままにやりたいことにチャレンジしてきて得たもの。
今、手元にある可能性を育てていく、それもわたしの新たなチャレンジ。

All of them are challenges
You have gained from challenging yourself to do what you want to do according to your interests. It is also your new challenge to nurture the possibilities that are now at hand.