Speed with Guy Martin
Gravity Racer (2x4)
Season finale
Air date: Nov 16, 2014
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.
- Premiered: Dec 2013
- Episodes: 13
- Followers: 10
- Ended
- Channel 4
- Sunday at 20
