Black Line Swim Coaching

Swim smarter. Train stronger. Reach your goals.

Founded by brothers Kilian and Nolan Carrel; Swiss-born, Australian-raised swimmers competing for Switzerland in open water events. Black Line Swim Coaching brings world-class experience to every level of swimmers.

Having trained alongside world class athletes such as the likes of Open Water Swimming Olympians Kareena Lee, Nick Sloman, and William Thorley and professional ironman triathletes Jan Frodeno, Brayden Currie and Fred Funk under John Rodgers (JR). The Carrel brothers have taken this experience and want to share it with you. Signing up to Black Line Swin Coaching will give you access to all this experience, something that is otherwise reserved for professional athletes.

Start your journey with a free assessment and training plan, built around your ability and goals. From there, upgrade to a monthly subscription for structured workouts, technique focus sessions, and progress-driven plans, all delivered digitally to swimmers worldwide.

Whether you’re chasing faster times, preparing for triathlons, or building fitness, Kilian and Nolan’s training gives you the tools to improve every month.

✨ Coming soon: For swimmers in Australia and Switzerland, you’ll also be able to book 1:1 in-person coaching sessions with the Carrel brothers — direct access to elite open water expertise at your local pool.