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Tough Mudder launches new kids' obstacle course to run alongside adult events - Mirror Online
Tough Mudder - Wikipedia
Tough Mudder on Twitter: "Do you have a team that could take on 12 hour Europe's Toughest Mudder? We're introducing a relay category and more. https://t.co/P7lKmvrek5 #ToughMudder… https://t.co/uHiUGcn93h"
Europe's Toughest Mudder - can you survive the overnight Tough Mudder