FINA Open Water Swimming Grand Prix|professional marathon swimmer|Yumi Kida

Yumi Kida, an Olympic marathon swimmer from Japan, is shown well-prepared with 3 gel packs stuck in her swimsuit before the 15 km FINA Open Water Swimming Grand Prix race on Isla Cozumel. The 27-year-old Kida takes a combination of hydration drinks passed to her from her coach as well as the gel packs that…