Siri Lindley, a former world champion triathlete, faced her toughest challenge when diagnosed with a rare, aggressive leukemia. Visualizing her favorite mountain trail helped her endure the grueling treatment. She approached cancer like a triathlon, with determination and hope, eventually lobbying for improved access to medical trials. Thanks to a groundbreaking trial at the University of Colorado Cancer Center, she's now cancer-free, living a new life filled with gratitude and a renewed love for sports.