Bob Hall, a childhood polio survivor and two-time Boston Marathon champion, has died at the age of 74 after a long illness. Known as the father of wheelchair racing, Hall's advocacy and innovations transformed the sport and paved the way for future competitors.

• 01Bob Hall won the Boston Marathon twice and was instrumental in establishing wheelchair racing.
• 02He was a childhood polio survivor who lost the use of both legs.
• 03Hall's advocacy led to the inclusion of wheelchair racers in major marathons, including the New York Marathon.
• 04He designed innovative racing chairs that significantly enhanced wheelchair racing performance.
• 05Hall's legacy continues with over 1,900 wheelchair racers participating in events inspired by his pioneering efforts.

Bob Hall's contributions have ensured that athletes with disabilities have competitive opportunities, inspiring a new generation of wheelchair racers.