water danger Olympic marathon swim training axed as Seine water quality fiasco rumbles on As concerns about the River Seine's water quality continue, today's marathon swimming training is cancelled but officials say races should still go ahead Cold water shock – what is it and how can you avoid it? We take a look at the dark side of cold water immersion, plus how to prevent cold water shock on your next wild dip Advnture NewsletterAll the latest inspiration, tips and guides to help you plan your next Advnture!Contact me with news and offers from other Future brandsReceive email from us on behalf of our trusted partners or sponsors LATEST ARTICLES1Reebok Men's Howe Long Sports Trunks: brilliantly supportive bottom-hugging base layers 2I’ve just discovered I’m a super salty sweater, and it explains everything about my running 3Hundreds of National Park workers could win back their jobs after judges rule mass firings unlawful4Stand out on the trails with 31% off one of our favorite Patagonia jackets in this unique colorway5Appalachian Trail hikers can now skip a dangerous detour around areas damaged by Hurricane Helene thanks to a new ferry