And here’s more about those lights on tracks:
The Washington Post: Lights on the track are helping runners shatter world records.
Of course, this raises the importance of digital security. Imagine the drama if a world record holder paid hackers to infiltrate the system during a world-record attempt by a rival and had it slowed down just enough to prevent the record from being broken.
Better than kneecapping a rival figure skater, but still. 