Elsewhere, Britain's wheelchair rugby side booked their place in the semi-finals after a 50-42 win against Japan.

BBC: SPORT | Other Sport | Paralympics | Track gold lifts Britain

Paralympian Justin Frishberg, chairman of London Wheelchair Rugby Club, believes people's own perceptions of what they can achieve are often the biggest barriers.

BBC: Paralympics legacy: 'We have to tell people they can'

Then during rehab at Shepherd, he saw a wheelchair rugby match.

CNN: Wheelchair rugby puts athletes back on the team

Off the court, Kennedy lives alone, attends college and is working toward a degree in physical education, something he says would not have been possible without wheelchair rugby.

CNN: Wheelchair rugby puts athletes back on the team

Other competitors included model Nell McAndrew, Olympic hurdle champion Sally Gunnell, wheelchair basketball player Ade Adepitan and rugby star Matt Dawson.

BBC: Runners brave marathon heatwave

Next up in limited release is the winner of this year's Documentary Audience Award at the Sundance Film Festival, "Murderball, " which focuses on a highly competitive rugby league whose players are wheelchair-bound quadriplegics.

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