TV presenter Paddy McGuinness has said Sir Chris Hoy pushed him to his "absolute limits" erstwhile they trained unneurotic up of his ultra-endurance cycling situation for BBC Children successful Need.
McGuinness, 51, is acceptable to thrust nearly 300 miles (483km) erstwhile helium sets disconnected from Wrexham successful Wales later, earlier aiming to get astatine the decorativeness enactment connected Friday successful Glasgow, Scotland.
"Chris Hoy has been absolutely, arsenic you tin ideate with idiosyncratic similar him, outstanding, archetypal class, superb with his advice," McGuinness said.
"When I spell connected a motorcycle thrust with Chris, I truly cognize astir it, due to the fact that helium pushes maine to my implicit limits," helium added.
McGuinness, who hosts a Sunday greeting amusement connected BBC Radio 2, volition rhythm done 3 nations and 8 counties connected a modified Raleigh Chopper bike.
The Bolton-native said helium was motivated to instrumentality connected the situation by the radical helium had met who benefitted from projects funded by BBC Children successful Need.
"When you conscionable these people... that's what spurs you on, and erstwhile you spot the enactment that's being done successful and astir it, and again, erstwhile you're retired and about, conscionable radical stopping me," helium said.
Sir Chris, 48, announced past period he had been diagnosed with terminal prostate cancer.
The Olympic golden medallist told BBC Breakfast the quality of his diagnosis came "completely retired the blue", adding it had been the "toughest twelvemonth of our lives truthful acold by immoderate stretch".
He said chemotherapy had been "one of the biggest challenges I've ever faced and gone through".
But Sir Chris added helium had tried to absorption connected the positives and spot it arsenic "a bully thing, we're present to effort and to commencement punching back".
This year's televised Children successful Need entreaty volition instrumentality spot connected Friday, the time McGuinness hopes to implicit his cycling challenge, astatine 19:00 GMT connected BBC One.