This premier event invites athletes seeking a challenge to test their endurance across the landscapes of Het Amsterdamse Bos. Experience the thrill of transitioning from the refreshing embrace of open water to the rugged beauty of trail running, all in one action-packed race. Whether you're aiming to smash personal records or simply looking to enjoy a day filled with fitness and fun, this event promises an unforgettable experience. Join us and unleash your potential in a celebration of strength, spirit, and sportsmanship.