Oh yes, this is my kind of hunt. And the mix of thrill, pounding hearts and all, and playfulness is exactly why this freeform appealed so much. :D
(I suspect Bertie's convenient departure is no accident.)

I love them channeling their old rivalry into outdoing each other in this, with Biggles being all gleeful about finding Erich faster, but Erich just going, "Perhaps I wanted you to find me." Ha! He doesn't want to stay ahead of Biggles all day, makes sense. :D

Extra points for the pastoral setting, which is just beautiful, and I'm starting to think you read my mind, because this is the second such setting you've written for me despite my ongoing failure to mention how much I love it in my "Likes".