American ultramarathon runner competing in his 19th Adventure Racing World Series attempt. Married to Helen and working at his father's realty firm, he seeks personal fulfillment after a career lapse. Initially egocentric and reluctant to reunite with past teammates, he gradually learns leadership, embraces teamwork, and risks his race standing to save a stray dog named Arthur, ultimately finishing second but valuing compassion over victory.
Reunited after years of silence; forced together by sponsor requirements but initially strained.
Experienced racer brought in for navigation skills despite uncertain physical recovery.
Core team member selected for her climbing expertise and shared determination.
Father-son relationship complicated by Michael's career stagnation and working for his dad.
Married couple with a shared racing history; Helen provides emotional support for Michael's return.
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