Cherelle Oestringer is a swiss swimmer who has been making the pool her home for 25 years. She has 39 national titles and swam multiple international races especially in open water. The core of the captured training session was a 3×800 descending 1–3, focusing on progressively increasing pace across the set.

Project was captured in Thun Switzerland, September 2025

„Training Diary“ is a personal and self-published series of training sessions. The ongoing project has been running since 2022 and features different athletes and fields of sport.