#1: 105KM ultrarun training & PR's on SBD: programming & insight of ultra athlete and physio Xander Bijsterveld

In this episode of Lift Heavy Run Fast, host Jeroen van der Mark sits down with Dutch ultra-athlete and physiotherapist Xander Bijsterveld, who recently completed an extreme 100 km ultratrail in the Swiss Alps with 6250 meters of elevation gain.We dive into his full preparation: training structure, pacing, nutrition, tendon management, and how he stays strong while pushing his endurance to the limit. Xander continues to hit PRs in the gym while taking on brutal mountain ultras — how is that even possible?TopicsWas this the hardest challenge Xander has ever done?How he structured his training for a 100 km with massive elevationFlat ultras vs. mountain ultras: what’s the difference?How to prep for elevation when you live in a flat countryManaging tendon load, niggles and accumulated fatigueHow he tapered into race weekXander’s full nutrition strategy (carbs, fluids, electrolytes)His pacing approach for a 10+ hour effortCommon mistakes ultra athletes makeHow he recovered physically and mentally👉 Follow Instagram of Xander👉 Follow Jeroen van der Mark👉 Coaching 1-1 for hybrid athletes👉 YouTube: Lift Heavy Run Fast