I stepped thru the scenes in promo. This is what I think I see. Please notice that I am new to this and I am possibly misinterpreting it. Maybe someone can use the occurance of Toni's white hood to get a better timeline or some of the occurances of wetness. Please excuse the length since I don't know what information is important. Things in quotes are words from screen.
1) Dandrew, with backpacks, running down sidewalk, street wet. I think Dan has the Amazing Race Bag (ARB). No jackets. Andrew had brown packet.
2) Ken and Tina cross wet street. Ken in red jacket. I believe Ken has the ARB on his right side.
3) Dallas, Tina, Ken (ARB), Toni (ARB), possibly Nick and / or Starr barely visible behind Toni. Nothing appears to be wet. No backpacks. Leaving submarine.
4) Nick (ARB) and Starr inside submarine.
5) “Essential things”, then “Must Have” overlay Starr and Nick (ARB) trying to hail taxi. Jackets on and backpacks.
6) Dallas, Ken (ARB), Toni (ARB), Tina, Nick (ARB), and Starr running down sidewalk. Ken and Toni have jackets, but Toni does not have white hood. Fairly sure this is first challenge at submarine. No one has their backpacks.
7) “Money”. Dandrew in taxi. However, this appears to be from previous leg since the clothes are wrong for today.
8 ) Dallas and Toni (ARB in front?) dickering with taxi driver. Backpacks on. Toni has white hood fully up. I believe Dallas has brown package.
9) “Passport”. Then scenes at airport – all from previous episodes. Airplane taking off.
10) “Sunday”. Dallas and Toni, with backpacks hurrying down a street looking back, then taking off in a run. I think Toni still has white hood on. NO ARB visible, but could be under Toni’s jacket, but I don’t think there is a large enough bulge. Or this could be after Sculpture Garden when ARB appears to be transferred to Dallas. If you look closely, you can see Andrew in his yellow ASU shirt to their right rear. I think this is right after the green door clue box.
11) "One Team". Nick (ARB) and Starr on up escalator with backpacks.
12) Ken and Tina in taxi. Jackets and backpacks. Window rolled down blocks area that Ken normally cares ARB, so I can’t tell if they have it.
13) Dallas and Toni (ARB) with jackets and backpacks hurrying down a paved street – possibly a bit wet? since the pavement is a lighter color near the curb.
14) Dan (ARB) and Andrew (brown packet). No jackets, no backpacks. This has been determined to be the speed bump.
15) "Will Lose Them - Both". Nick (ARB), Starr, Toni (ARB). No jackets, no backpacks. Leaving submarine sequence, possibly rounding turn to gate / exit. Definitely immediately after item 3 above.
16) Ken and Tina (ARB) walking down a dirt(?) road. Backpacks (Ken carrying Tina’s) and jackets. Things look damp including road.
17) Nick (ARB) and Starr at last night’s pit stop opening today’s first clue. Jackets and backpacks all around.
18) Dallas and Toni on dirt / gravel road, possible same as item 18, getting clue. Toni has jacket, but not Dallas. Backpacks, Toni probably has ARB – Dallas’ arm and then clue blocking view. Sneaky editing.
19) Dandrew at clue box in front of green door. Andrew has jacket. I THINK Dan may have ARB, but unsure. Backpacks? on ground maybe? Is Dan opening clue? What is Andrew holding?
Possible sequence: 7 and 9 from previous episodes. 17, 6, 4, 3, 15
Unsure of sequence: no idea where 5, 11 or 12 occurs
Speed Bump after rain: 14
After rain?: 1, 2, 8, 13, 16, 18, 19 followed by 10
Is this any help? I don't have the equipment to get screen shots from my DVR.