Former England rugby coach Sir Clive Woodward has commended Paula Radcliffe for denying she ever cheated in her career.
Radcliffe told ITV News she was 'hurt and angered' over claims she doped during her career, after releasing a statement saying she had never used performance enhancing drugs.
Woodward believes Radcliffe should be interviewed by a select investigating the issues of doping in sport.
Sir Clive told Sky News: "The big thing that comes to me is that if you are going to have a select committee to discuss these things, she has to be in the room. She has to be part of this to defend herself and, knowing Paula, she is going to come out fighting."
Exclusive: The champion athlete speaks to ITV News on being linked to claims of doping, saying: "It goes against everything I believe in."Read the full story ›
Paula Radcliffe has tweeted her thanks to the crowd who supported her during her last London Marathon.
She added that her memories "will last a lifetime and beyond".
What a day! Thank you to the crowds and streets of London and all the runners, memories that will last a lifetime and beyond.
Marathon world record-holder Paula Radcliffe ran her last ever race today, finishing in an impressive 2:36:55.
She might have won the London Marathon three times in the past - once in a blistering 2:15:25 - but this time she was just happy to finish, to huge cheers from watching crowds.
"I didn't care about the time all the way round and I just wanted to thank as many people as possible," Radcliffe told the BBC.
"I went off way too fast and then it got more and more emotional. It was just amazing the whole way round."
She said the "magic of the London Marathon" helped her finish.
Paula Radcliffe and Mo Farah are amongst some of Britain's athletes who have congratulated Tokyo on its winning Olympic 2020 bid:
yay so happy 2020 is in Tokyo :D
Around 15,000 people followed in the footsteps of medal-winning stars today when they took part in a race at the Olympic Stadium, crossing the finish line.
Olympic gold medallist Sir Chris Hoy joked that he had not taken part in today's National Lottery run at the Olympic Stadium because he is "better on wheels than on foot".
Sir Chris said the run was a chance to "thank the British public".
Marathon world record-holder Paula Radcliffe told ITV News that she was "excited" to return to the Olympic Stadium, as thousands gather to take part in the National Lottery Anniversary Run.
Radcliffe thanked the British public and Olympic committee for "continuing to support sports".