In March 2008, swimmers wearing one swimsuit broke 13 world records. Not across a season. In a single month.
The suit was the Speedo LZR Racer. Speedo had asked for help from an unusual partner: NASA. After the 2004 Olympics, SpeedoUSA approached NASA's Langley Research Center to test swimsuit fabrics in a wind tunnel. The same research used to study drag on aircraft was pointed at a swimmer's skin.
The engineering was serious. NASA tested fabrics, seams and zippers. Speedo fused the suit's panels with ultrasonically welded seams instead of stitching, and even hid a low-profile zipper inside the fabric. The company said the LZR Racer reduced skin friction drag 24 percent more than its previous racing fabric, and that the suit's compression helped swimmers hold their form. Those are the manufacturer's own figures, and I would treat them as such. But the results in the pool were not in dispute.
Athletes were not subtle about the reason. Swimmers wore two suits at once to trap more air. Rival companies sued sport's arbitration court for the right to wear their own polyurethane models. When your customers are stacking your product and your competitors are litigating to copy it, you have built something that works.
The BBC counted 135 long and short course world records broken between the suit's launch in February 2008 and the summer of 2009. Rivals did not stand still. Italian makers Arena and Jaked produced suits coated entirely in polyurethane, a material that traps air and adds buoyancy. Translation, in plain English: the copycats went further than the original.
By the 2009 world championships in Rome, 29 world records fell in the first five days. The BBC noted that only two of swimming's world records, men's and women's, had been set before the polyurethane era began. Read that again. Nearly every record in the sport had been rewritten inside about eighteen months, by people wearing new clothes.
Even Michael Phelps was caught by it. The BBC reported that FINA brought its ban forward from the spring after Phelps threatened to withdraw from competition until the suits were outlawed. One athlete with that much leverage is worth more to a governing body than any equipment sponsor. The vote was never really close.
Rebecca Adlington, Britain's Olympic champion, took bronze in the 400m freestyle in Rome as the only finalist not wearing a 100% polyurethane suit. She stayed loyal to her Speedo, itself half polyurethane. Her own coach expected fewer than half the British team to race in the sponsor's suit despite the sponsorship. When the equipment matters that much, loyalty has a price measured in tenths of a second.
The sport's governors then made a decision I find more interesting than any single race. From 1 January 2010, FINA banned non-textile suits and cut back the permitted coverage. The Guardian reported the rule change in Rome: no swimmer may use or wear any device or swimsuit that may aid speed, buoyancy or endurance. The fastest swimsuits ever made were removed from the sport in a single vote.
My view: this is a case study in where an advantage actually sits. Speedo spent years and real research money building an edge. For a while it worked brilliantly. But the edge lived inside rules the company did not control. Rivals could copy the physics, and a committee could delete the category. It did both, inside two years.
I think about that whenever a business claims a technology lead. The useful questions are uncomfortable ones. Can competitors copy this within a product cycle? Does a regulator, a platform or a governing body have the power to make it illegal overnight? If the answer to either is yes, the advantage is borrowed, not owned.
Speedo lost the super-suit. The sport kept the records set in them. That asymmetry tells you something about how these stories end. The record books remember the swimmers. The rule book erased the technology.