participant
- Ivanov, Maxim Instructor 2018
- Ivanov, Maxim Instructor 2019
- Ivanov, Maxim Instructor 2023
- Ivanov, Maxim Instructor 2024
- Ivanov, Maxim Instructor 2025
- Kostadinov, Rumen Instructor 2020
- Kostadinov, Rumen Instructor 2021
- Kostadinov, Rumen Instructor 2022