Lots of information!
If 8 teams were in Zimbabwe, and it is an elimination leg, then 7 teams are expected to be in France.
I think... it would go like this.
Leg 1: Rio de Janeiro - Shevonne & Kelly likely out
Leg 2: Buenos Aires - Alex & Adam or Jin & Ernest out
Leg 3: San Antonio de Areco - Alex & Adam or Jin & Ernest out
Leg 4: Zambia - My guess: NEL (speculation only)
Leg 5: Zimbabwe - Tanner & James or Joey & Kelsey or Chris & Logan or Jazmine & Danielle out
Leg 6: Paris - Likely a ZHPS
Leg 7: The Hague - Anyone
That's based on the information given. Do correct me if I'm wrong somewhere.
I love how the route is super spoiled this season.