On 16 February 2025, runners from around the globe will gather in Luleå, Sweden, to participate in the coolest marathon in the world – the Sea-Ice Classic marathon. This event invites participants to challenge themselves in a stunning natural environment, offering a choice of 42km, 21km, 10km, or 5km races on natural ice. This unique marathon is a unique addition to the Schaatsen Luleå program, brought to you in collaboration with Explore Luleå.

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