The announcement puts an end to Seoul's hopes of using the Games to engage with Pyongyang.
Winner of the group will advance to the final round of qualifiers.
Only the top team in each of the 10 pools will qualify for the final round of the qualification phase.
Benin team refused to alight from their bus in protest over a declaration that five of their players had Covid-19.
She won the rescheduled London Marathon by over three minutes, having broken away from the pack 18 miles (29km) into the race.