Man Kaur of India celebrates after competing in the 100-meter sprint in the 100+ age category at the World Masters Games in Auckland, New Zealand, in April 2017.
Michael Bradley/AFP/Getty Images
Kennedy Odede (in blue shirt) is dancing for a good reason. The charity he and his wife started has been awarded the $2 million Hilton Humanitarian Prize. He's joined by residents of Kibera, the neighborhood in Nairobi where his nonprofit group provides educational, health and clean water services.
Consolata Aganga goes door-to-door as a community health worker, a demanding volunteer job. "It is God who gives me the strength," she says. She is also a small-scale farmer, growing vegetables for her family.
Winners of the 2018 Skoll Awards for Social Entrepreneurship (from left) are Jennifer Pahlka, Harish Hande, Jess Ladd, Lesley Marincola, Anushka Ratnayake and Barbara Pierce Bush.
David Fisher/Skoll Foundation