I can only imagine she had a problem on one of the last corners to drop off the leaders (the camera work really wasn't up to much!) - amazing to come back from that gap, and remarkably poor weather (and commentating).
There was a left bend with lots of paint just before the toll booths where Sharon Laws came off earlier. She may have had a moment there. The coverage was showing the main bunch coming under the 1k flag at the time.
Keeping a low profile all season so that someone else (Vos) was the marked favourite probably helped. There didn't seem to be much reaction when she joined the Austrian to bridge across to
GuderiniGuderzo's attack, just after the top of the main climb. The Germans chasing in the last 6km or so weren't making much impression either, after chasing down Emma Pooley on the way up the main climb. The benefits of having a team a strong as everyone else's