Shown here in 1977, Bob Hall pioneered the division when he became the first person to complete the race in a wheelchair in 1975, making good on his promise to finish in under three hours.
1972 - Women Official Entrants in Marathon
Although Bobbi Gibb was the first woman to complete the Boston Marathon in 1966, it was not until the 1972 Boston Marathon that women could become official entrants due to a change in AAU rules.