CJ Isherwood:
Buckingham Palace
CJ Isherwood:
Tower Bridge
CJ Isherwood:
Big ben
CJ Isherwood:
The finish
CJ Isherwood:
Cutty Sark
CJ Isherwood:
At the start
CJ Isherwood:
Run run run
CJ Isherwood:
Keep running
CJ Isherwood:
Nearly finished
CJ Isherwood:
Finished
CJ Isherwood:
Thumbs up