Welcome to the GOLDEN EDITION - The 10 y anniversary of Europe´s fastest swimevent - MALMSTEN SWIM OPEN STOCKHOLM! This year started the first event with an incredible WORLD RECORD (!!!) from the fantastic Lukas Märtens at 400 free, that was the start of several races to come that still is many of the fastest times at the world statistic 2025! So of course you have the coolest and fastest competition in your schedule for 2026? If not, put in Malmsten Swim Open Stockholm 9-12
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