SPEED RACER: Gary Calvert proudly stands beside his “blown gas lakester” on the playa of the Bonneville Salt Flats.

Photograph by William Gurstelle

Speed Week

What Cape Canaveral is to astronauts, the Bonneville Salt Flats are to those who love to drive fast.

By William Gurstelle

The Bonneville Speedway stands on part of the 30,000 acres of salt flats formed thousands of years ago when a Lake Michigan-sized glacial lake slowly evaporated. According to geologists, Lake Bonneville used to be 1,000 feet deep. Now, this extreme western corner of Utah is mostly dry, except after a rare rain when a thin pool of water covers the salt pan. But the moisture ...

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