Placeholder — last updated November 2026. Replace with reviewed legal text before launch.
123Streak provides general training guidance. It is not medical advice. Check with a professional before starting a new programme, and stop if something hurts.
Never practise underwater swimming or breath-holding alone. Always train with a competent safety person or lifeguard present.
Unofficial training challenge. Not affiliated with, endorsed by, or equivalent to the Finnish Defence Forces Diving School entrance examination. Completing this challenge does not guarantee selection or official test readiness.