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Winter can be one of the most rewarding seasons to train for trail running — but also one of the most challenging. Shorter days, freezing temperatures, snow-covered paths, slippery terrain, and a drop in motivation can make winter trail running feel intimidating. Yet, winter training builds strength, resilience, mental toughness, and technical skills that are invaluable for spring and summer races. Whether you’re preparing for your first trail event in April, maintaining your fitness during the off-season, or embracing winter mountain adventures, the right approach can transform cold-weather training into a powerful advantage. In this guide, we explain exactly how to train for trail running in winter and cold temperatures, covering gear, training plans, safety, nutrition, and winter-specific workouts. 1. Adjust Your Training Plan to

The Gerês Marathon is one of the most accessible mountain marathons in Portugal. It takes place inside Peneda-Gerês National Park, a natural paradise with granite peaks, deep valleys, waterfalls and ancient shepherd trails. Because it happens late in the year, many road runners choose this event as their first experience in trail running and mountain terrain. If you come from the asphalt world and want a smooth, friendly introduction to mountain events, this is one of the best options you will find. Why the Gerês Marathon is perfect for road runners 1. A runnable course Despite being a mountain marathon, most of the course is very runnable. Climbs are steady instead of steep, and technical sections are short. This helps road runners maintain rhythm and

Trail running in winter is no ordinary feat. Brutal cold, treacherous terrain, and sheer distance make winter trail races some of the toughest endurance events on Earth. For runners seeking the ultimate challenge, conquering one of these races means pushing human limits in the planet’s harshest environments. Here are the world’s top 7 most difficult winter trail races every ultra runner and adventure seeker should know about: 1. Montane Spine Race (UK & Sweden) The legendary Montane Spine Race, often called “Britain’s Most Brutal,” covers the entire length of the Pennine Way in the UK in the heart of winter. Participants face over 268 miles (431km) of icy mountain paths, relentless winds, and unpredictable weather. The new Arctic Spine Race in Sweden tackles the famed King’s Trail in the wilds of Lapland, adding further sub-zero adventures to the race portfolio. This non-stop, expedition-style race is a true test of both physical and mental endurance. 2. The Last Desert Antarctica The Last Desert Antarctica is the only multi-stage ultramarathon held on the coldest continent. Runners must complete 250 kilometers across the stunning, frozen wilderness of