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In the last episode of the new series, Guy Martin attempts to build and race the world's fastest soapbox racer, creating a unique design, with help from expert designers and bobsled racers, and training with the Team GB women's bobsled pair.

Stars:
Release Date: 2013-12-29
Seasons: 1 2 3
TMDb: 8.0/10
  • Country: GB
  • Language: English
  • Runtime: 47

Other episodes for this season

Tandem
Episode 1 - Tandem
Pike's Peak
Episode 2 - Pike's Peak
Hovercraft
Episode 3 - Hovercraft
Gravity Racer
Episode 4 - Gravity Racer