Sports
Bernardo Fonseca: Risk, Ultra-Distance, and Business
The founder of XTERRA Brazil and Everest and Denali summit mountaineer reflects on limits, risk management, and extreme survival.
In a conversation on XTREMMA Sports with Shubi Guimarães, Bernardo Fonseca details his multifaceted athletic career. From his early start in triathlon to triumphs in Antarctica and on the world's most dangerous peaks, the X3M founder explains how calculated risk-taking shaped his journey as an endurance athlete and entrepreneur.
With a career built at the intersection of endurance sports, high-altitude mountaineering, and major outdoor events in Brazil, Bernardo Fonseca sat down with Shubi Guimarães on XTREMMA Sports to look back at defining moments in his life. Restless by nature, the entrepreneur and athlete detailed how a continuous drive for extraordinary challenges led him from youth triathlon to Antarctic ultramarathons and the summits of Everest and Denali.
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From Early Triathlon Steps to Creating XTERRA Brazil
Raised barefoot in the countryside of Minas Gerais, in Baía Eterna, Bernardo discovered endurance sports at a young age after moving to Rio de Janeiro. His passion was immediate and intense: at age 17, he went so far as to forge an athlete ID card just to enter his first Ironman, back when the race drew only around 60 competitors in the country. Initially skilled and powerful on the mountain bike, he soon expanded into adventure racing and ultra-distance events.
His shift into business came in the early 2000s while working in the financial sector. Driven by the vision of bringing the global XTERRA circuit to Brazil, Bernardo flew to Hawaii on borrowed airline miles and slept in triathlete Alexandre Ribeiro's car to make initial meetings happen. Starting out without even a formally registered company, he secured Nissan as title sponsor and organized the historic first edition in Ilhabela in 2005 with 400 participants—the seed that founded X3M and kickstarted the Brazilian trail running and off-road triathlon market.
A Historic Double in Antarctica: 42K and 100K on Ice
An appetite for extreme races put Antarctica in the athlete's sights. In his first attempt at the Antarctic Ice Marathon in 2007—after securing sponsorship from Piraquê by pitching the company's president in person three times—Bernardo trained inside industrial cold-storage rooms at -20°C (-4°F). On the frozen continent, however, running in shoes two sizes too large and wearing the wrong socks caused severe blistering, leaving him in fourth place.
His comeback came years later alongside Clayton Conservani and the TV show Planeta Extremo. Initially focused solely on the 100k, Bernardo decided to also enter the 42k marathon to test his gear. Building momentum through the soft snow, he overtook the leaders in the final kilometer to win the marathon. Hours later, as an incoming storm moved the ultra up on the schedule, he lined up again at 9:30 p.m. for the 100k, took first place, and shattered course records in both distances.
The Thin Line of High Altitude: Denali, Everest, and Risk Management
With more than two decades of climbing experience, Bernardo moved on to high-altitude peaks, successfully summiting Everest and facing the technical demands of Denali in Alaska. During his first attempt on Denali, he spent six days trapped at High Camp in a severe blizzard with just a single day's worth of food, forcing him to abort the summit push after losing ten kilograms (22 lbs). He returned the following year and completed the route in ten days.
Grieving friends lost on expeditions and witnessing mountain accidents reinforced his respect for high-stakes risk. Before every extreme expedition, Bernardo writes farewell letters to his wife, Roberta, and their three children, and sets up powers of attorney prior to departure. For him, taking real risks demands meticulous planning and absolute deference to nature's limits, where knowing when to retreat is essential to survival.
The Mindset: From the Death Zone to Corporate Leadership
Leading X3M, which stages dozens of sporting events nationwide each year, Bernardo compares business pressure to the demands of the 8,000-meter death zone. In his view, just as no one can survive indefinitely above 8,000 meters, an organization must navigate chaotic periods with sharp strategic focus without permanently burning out its team.
By balancing the raw intensity of extreme endurance racing with the maturity to delegate day-to-day operations—backed by industry veterans like Alexandre Manzan and Rafael Campos leading technical operations—the executive emphasizes that self-confidence and rigorous planning remain the foundation for conquering both new summits and new business ventures.
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