The South Africa squad is now in quarantine.
The team is still in training camp in Australia. The staff member tested negative in two subsequent tests.
The US is sending 621 athletes across all sports including 100 medalists and 54 gold medalists. The oldest US Olympian is 57 (male equestrian at his 7th Olympics) and the youngest is a 15-year-old swimmer. There are also six sets of Olympic siblings.
Griggs is only 16-years old and lost his older brother in a car accident last month.
The race has been cancelled the last two years due to snowfall and COVID. D'haene won the men's race in 21:45:51, breaking Killian Jornet's course record while Stanley won the women's race in 27:21:48.
The man works for a contractor serving on part of the "Games operation."
Lovisa Lindh ran 1:59.76 this year and has a 1:58.77 PB, but Sweden turned down her invite so she won't be going to Tokyo.
She ran 22.90 to dominate the race by .65 and set an Irish national record. Ireland also won golds from 16-year-old Nicholas Griggs in the 3000m (8:18.19) and Cian McPhillips in the 1500m (3:46.55).
He ran 12.98 in the semis, but that wasn't wind legal. After breaking the meet record in the semis, Finland's Silja Kosonen won hammer gold and broke the record again with 71.06m.
Nick Willis will compete on his fifth Olympic team. So will shot putter Valerie Adams.
The New Zealand Olympic Committee didn't select four track athletes that received invites from the IOC due to not proving they could be "top 16 contenders."
She is also the favorite in the 200m final which is on Saturday.