Inspirational fundraiser and terminal cancer sufferer Jane Tomlinson was attacked by a trucker during her 4,200 mile Ride Across America, her husband said yesterday.
The mother-of-three, of Rothwell, Leeds, was attacked as she rode through Lewis in Colorado with her two coriders during a gruelling 84-mile stage, her husband Mike said.
In a separate incident on the same day, Mr Tomlinson said the driver of another wagon deliberately made a "reckless attempt" to injure the cyclists by trying to spray them with loose chippings as he passed.
Mr Tomlinson said his wife was feeling "emotional" at the end of a tough nine days which have seen her cycle through the Utah desert in a 120F heatwave on her way from San Francisco to New York.
Mr Tomlinson said his wife and her co-riders - Leeds Metropolitan University lecturer Ryan Bowd, aged 27, of Calgary, Canada, and 40-year-old Martyn Holling-worth, originally of Huddersfield, West Yorkshire - were also pulled over by the police on the same day.
"They were tailed and leapfrogged for ninety minutes by a police car," he said.
"Eventually he put on his lights and pulled the cyclists over, telling them not to cycle on the highway, but on the hard shoulder.
"The shoulder was a narrow strip of road containing mainly debris and would have caused numerous punctures and would have been dangerous."
Since being diagnosed with advanced metastatic breast cancer, Mrs Tomlinson has become the only cancer patient to complete a full Ironman triathlon and the first person to run a marathon while on chemotherapy.
She has also completed a 2,500-mile bike ride, from Rome to home, as well as a number of triathlons and other challenges. She has raised more than £1.25 million for a series of charities.