Why are we seeing run records being shattered at the Ironman World Championship?

It was another year of record-setting run splits in Nice and Kona

Kona Coverage: Anne Haug flies to run course record in Hawaii

The 2019 champion used a 2:48:23 marathon to carry her from seventh to second in Kona

Lucy Charles-Barclay smashes course record to win first Ironman World Championship

The four-time second-place finisher took a triumphant leap to the top of the podium in Kona

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