Sir Chris Hoy’s Secret World Of Japanese Bicycle Racing

BBC2, 6pm

To casual observers, the keirin looks like a chaotic free-for-all, but to experts it's a mix of tactics, pace and power. In Japan, where it originates, keirin is a sport in its own right, rather than part of cycling and, in 2005, Hoy (above) was among the first Britons to grab a coveted spot at one of the nation's keirin schools. Here, he returns to discuss the race in more detail.