Deirdre Larkin (85), holder of the half marathon world record in the 85+ category, poses in her home in Johannesburg on June 14, 2017. / AFP PHOTO / GULSHAN KHAN (Photo credit should read GULSHAN KHAN/AFP/Getty Images)
Deirdre Larkin (85), holder of the half marathon world record in the 85+ category, poses in her home in Johannesburg on June 14, 2017. / AFP PHOTO / GULSHAN KHAN (Photo credit should read GULSHAN KHAN/AFP/Getty Images)