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Femke Bol holds the European record in the mixed 4 × 400 meters relay with a time of 3:07.43 minutes. This record was set on July 31, 2021, at the Tokyo Olympics, where Bol ran the second leg for the Dutch team. The team, which also included Lieke Klaver, Tony van Diepen, and Ramsey Angela, finished in fourth place in the final.