Fastest half marathon run by a pair of siblings (female)
  • This record is for the fastest average half marathon run by a pair of siblings.
  • This record is to be attempted by two female siblings.
  • This record is to be measured in hours, minutes and seconds.
  • Half marathon distance is 21.097 km / 13.1 miles.
  • For the purpose of this record, the measurement is taken as the aggregate time for both siblings to complete the same marathon.