1° 16' N 103° 49' E

Fly to Ho Chi Minh City in Vietnam and find Bac Ho in Rex Square. You have $100 for this leg of the race.
  To avoid being confused with the national flag colours, throughout the Vietnam portion of the race, the show's signature red-and-yellow flags have been replaced by yellow-and-yellow flags. Even stitched together the same way.
  's Zach takes a different line from Flo. Her line goes faster, but Zach doesn't want cut lines. They end up leaving last.
10° 46' N 106° 42' E

Travel into the Mekong Delta. Find the route marker at the floating market in Cai Be.
10° 20' N 106° 02' E
EASY BUY
Find the one market boat that sells water coconut, and buy one.

   
HARD SELL
Sell enough fruit to earn 40,000 ₫ [~$2.50]. Turn in the money to get your next clue.

 
Get yourselves to Ho Chi Minh City and find the route marker at 2A Ton Duc Thang, District 1 at the edge of the Saigon River.
  and   miss the clue box entirely and waste a lot of time looking for it. They find the directing flags for the next task instead...
10° 46' N 106° 42' E

That person should have strong legs and a strong back.

Take a bicycle taxi called a cyclo, and drive your teammate. Follow the flags to a ferry, cross the Saigon River, and park the cyclo on the other side.
Run to the next Pit Stop.
  get nervous when Ken & Gerard show up at the ferry terminal at the same time they're ready to cross with the cyclos. To get rid of them, Flo tells them about the clue box.
  find Ken & Gerard, but they feign ignorance. They cross on foot on the ferry. They even get to the mat before finding out about the missing clue box. Flo tells them about the Roadblock after they've checked in.
10° 46' N 106° 43' E
  1st place 5:19 pm
European cruise
3rd place 6:13 pm (+ 0:54)
2nd place 5:58 pm (+ 0:39)
  4th place
Eliminated

Return Home Ep. 1 Ep. 2 Ep. 3 Ep. 4 Ep. 5 Ep. 6 Ep. 7 Ep. 8 Ep. 9a Ep. 9b Episode 11: Ho Chi Minh - China Beach