Fittest on Earth: 2025 is a bold, emotional exploration of the world’s fittest athletes and the sport that reshaped their lives. Through raw interviews, behind-the-scenes footage, and vulnerable reflections, 2025 Games athletes open up about the sacrifices, the breakthroughs, and the moments that nearly broke them — and why they keep coming back. On the women’s side, Tia-Clair Toomey chases her eighth title while the men battle in one of the most competitive fields we’ve ever seen.