AW PERFORMANCE GLUCOSE MONITORING When Sifan Hassan crossed the finish line of the TCS London Marathon, she was wearing the Nike super-shoe prototypes on her feet, a pair of green shorts and a singlet on her body and a huge smile on her face. Barely noticeable on the back of her left arm was a small, white biosensor, too.
This device was a continuous glucose monitor (CGM), made by Abbott, and which works alongside an app created by a company called Supersapiens. Currently all the rage in endurance sport circles, it is effectively the world's first human fuel gauge.
In recent years athletes have been able to measure, among other things, their heart rate, body weight, sleep patterns, stride length and cadence. Yet now, thanks to this collaboration between Supersapiens and…