Thorburn thinks about retirement

After finishing fifth at the Olympic time trial in Beijing last month, Christine Thorburn is thinking of retirement from cycling and a return to her day job as a doctor in Stanford, California, according to www.cycleto.com.

The 38 year-old finished fourth in the Olympic time trial in Athens, Greece, in 2004 and won bronze at the 2006 World Championship time trial in Salzburg, Austria.