And we now prove why I'm a math major, not an artist
Looking at the pictures, I'm pretty sure that these (Jaime / Mallory / Zev at the base) all happened in a relatively short time frame, what with the yak-handler being present in all three and, I think, Mallory's head scarf in the final picture. This assumes that each team has a different yak handler.
Also, I thought I saw a shot of several teams sprinting up a flight of stairs to, I'm guessing, the river for the yak riding (or it could be to the Spruce Meadow for the RB). Either way, I'm thinking we might be getting a bunch point.