"We're not where we want to be and there isn't a whole lot of time. Paula likes to prepare properly for championships and a lot depends on how things pan out over the next couple of weeks."
Radcliffe had been training at altitude in the Pyrenees in the hope of beginning her track season at London's Super League meeting at Crystal Palace on 8 August.
She withdrew from that meeting after getting injured last month and had been focusing solely on the Paris 10,000m.