Mariia Klein

1º lugar

• European IBJJF Jiu-Jitsu No-Gi Championship 2022 (BJJHeroes) — BLUE / Juvenile / Female / Middle (Champion)
• European IBJJF Jiu-Jitsu No-Gi Championship 2023 (BJJHeroes) — BLUE / Juvenile / Female / Middle (Champion)
• Rome International Open IBJJF Jiu-Jitsu Championship 2023 (BJJHeroes) — BLUE / Juvenile / Female / Middle (Champion)
• Dublin Fall International Open IBJJF Jiu-Jitsu No-Gi Championship 2023 (Results) — BLUE / Juvenile / Female / Middle (Champion)
• European IBJJF Jiu-Jitsu Championship 2024 (Flo) — BLUE / Adult / Female / Feather (Champion)
• Dublin Fall International Open IBJJF Jiu-Jitsu No-Gi Championship 2025 — BROWN / Adult / Female / Feather (Champion)
• European IBJJF Jiu-Jitsu No-Gi Championship 2025 — BROWN / Adult / Female / Feather (Champion)
• Dublin Fall International Open IBJJF Jiu-Jitsu Championship 2025 — BROWN / Adult / Female / Feather (Champion)
• Rome Fall International Open IBJJF Jiu-Jitsu Championship 2025 — BROWN / Adult / Female / Open Class (Champion)
• European IBJJF Jiu-Jitsu Championship 2025 — PURPLE / Adult / Female / Feather (Champion)
• Dublin Fall International Open IBJJF Jiu-Jitsu Championship 2025 — BROWN / Adult / Female / Open Class (Champion)

2º lugar

• Rome International Open IBJJF Jiu-Jitsu Championship 2023 (BJJHeroes) — BLUE / Juvenile / Female / Open Class Heavy (Runner-up)
• European IBJJF Jiu-Jitsu No-Gi Championship 2024 (BJJHeroes) — PURPLE / Adult / Female / Light (Runner-up)
• Rome International Open IBJJF Jiu-Jitsu Championship 2024 (BJJHeroes) — PURPLE / Adult / Female / Light (Runner-up)
• Rome Fall International Open IBJJF Jiu-Jitsu Championship 2025 — BROWN / Adult / Female / Feather (Runner-up)

3º lugar

• European IBJJF Jiu-Jitsu No-Gi Championship 2023 (BJJHeroes) — BLUE / Juvenile / Female / Open Class Heavy (3rd Place)
• European IBJJF Jiu-Jitsu Championship 2023 (Flo) — BLUE / Juvenile / Female / Middle (3rd Place)
• European IBJJF Jiu-Jitsu Championship 2026 — BROWN / Adult / Female / Feather (3rd Place)