I don't have full confidence in my body, the 28-year-old says, two weeks out from an unprecedented challenge in her esteemed career. But that's OK, because I have learned that there are a hundred ways to get the same outcome, and we're just going a different route to normal. Much has changed for the hyper-competitive Kennedy since the Paris Games 13 months ago. Physically, her left hamstring has been surgically repaired.
Right now, her best is the 3:57.15 she ran to finish runner-up in Paris last month, one of four top-three finishes she secured across the Diamond League season. But at the final in Zurich on Thursday, she would love to add a fifth and to edge closer to Ciara Mageean's Irish record of 3:55.87. Conditions are unlikely to comply, with cool weather and heavy rain forecast, but Healy comes into it after a lifetime best over 800m in London last weekend, clocking 2:00.19.
Lotte Kopecky has scheduled a mix of track and road racing, starting with the Prague Summer Track event, followed by the Tour de l'Ardèche.
Penny Oleksiak had just completed a successful national swimming trials, winning both the 50- and 100-metre freestyle events and being named to Canada's team for this month's world championships in Singapore.