Participants in this year’s annual Marathon March, in Stockholm, who must walk at a steady pace of 5km/h throughout the event, which can last for days. Photos: Xav Judd

Topic |   Health & Fitness
Participants in this year’s annual Marathon March, in Stockholm, who must walk at a steady pace of 5km/h throughout the event, which can last for days. Photos: Xav Judd
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