In uk.rec.cycling Graham Harrison twisted the electrons to say:
Did you notice the editing? Pieces out of order all over the place.
Hammond went through Hammersmith after he'd been along Ken High Street at
one point!

I believe the usual approach for the Top Gear challenges is that they
have the event first, and then go back and doing any extra filming they
feel they need afterwards ...
--
These opinions might not even be mine ...
Let alone connected with my employer ...