Well, he ran in Paula's train until around and there's a couple of videos of this. For instance, about 2 miles in:
at about 40 seconds in. Also the right from the start
at about 21:02 mins into the video. I'd have to go back through the other videos again, but he's definitely in video around the Cutty Sark area at 6.5 miles, as well as photos at that point.