Hundreds of thousands of bikers converged at the massive Sturgis Rally, one of the biggest gatherings during the pandemic. Mapping their phone data shows where they traveled across the US.

· Hundreds of thousands of bikers converged in Sturgis, South Dakota, in the first week of August for a massive annual rally. It was one of the biggest public gatherings in the US since the COVID-19 outbreak.
· Newly released phone location data shows where people traveled to attend the rally. The data shows people converging...