A robot and its engineers take part in the second Beijing E-Town Half Marathon and Humanoid Half Marathon in Beijing on April 19, 2026. (Photo by Pedro PARDO / AFP via Getty Images)

A robot sits aboard a support bus with its engineers, not competing, during the second Beijing E-Town Half Marathon and Humanoid Half Marathon in Beijing on April 19, 2026. (Photo by Pedro PARDO / AFP via Getty Images)

A robot runs in the second Beijing E-Town Half Marathon and Humanoid Half Marathon in Beijing on April 19, 2026. (Photo by Pedro PARDO / AFP via Getty Images)

A robot runs in the second Beijing E-Town Half Marathon and Humanoid Half Marathon in Beijing on April 19, 2026. (Photo by Pedro PARDO / AFP via Getty Images)

A robot sits aboard a support bus with its engineers, not competing, during the second Beijing E-Town Half Marathon and Humanoid Half Marathon in Beijing on April 19, 2026. (Photo by Pedro PARDO / AFP via Getty Images)

A robot runs in the second Beijing E-Town Half Marathon and Humanoid Half Marathon in Beijing on April 19, 2026. (Photo by Pedro PARDO / AFP via Getty Images)

US actress Jessica Chastain attends the 12th Breakthrough Prize Ceremony at Barker Hangar in Santa Monica, California on April 18, 2026. (Photo by LISA O'CONNOR / AFP via Getty Images)

A robot runs in the second Beijing E-Town Half Marathon and Humanoid Half Marathon in Beijing on April 19, 2026. (Photo by Pedro PARDO / AFP via Getty Images)