Football must do more to deter drug cheats, says Toni Minichiello, the former coach of Olympic gold medallist Jessica Ennis-Hill.
Olympic champion Jemima Sumgong will defend her London Marathon title at this year's race on 23 April.
UK Athletics chairman Ed Warner says the sport must do more to provide doping-free competition as there is "too much denial".
Lord Coe, the head of world athletics, will be recalled to speak to the Culture, Media and Sport select committee.
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Great Britain's Callum Hawkins is pipped on the line by USA's Leonard Korir in a dramatic sprint finish at the Great Edinburgh Cross Country.
Her Olympic triumph in 2012 is the defining image of Jessica Ennis-Hill, writes Tom Fordyce, but there was much more that made her remarkable.