Chi siamo

Siamo un team organizzativo  professionale che da oltre 20 anni partecipa alle corse estreme.
Con l’esperienza, acquistata con l’organizzazione di diversi eventi in tutto il mondo, siamo sicuri di poterVi offrire un servizio ben organizzato e di assistervi nei miglior dei modi.

Il nostro Team poliglotto è accompagnato da volontari molto motivati, ed è assistito da un’organizzazione locale specializzata soprattutto nell’organizzare eventi in zone remote.

Il nostro Team di esperti in medici qualificati al più alto livello Vi assisterà in ogni cura medica durante la corsa.

Stefan Betzelt / Founder and CEO of GlobalLimits

Stefan was born and lives in Wiesbaden/Germany. He founded GlobalLimits in 2012. Stefan has a wealth of extreme racing experience, having participated in many of the most gruelling ultra racesaround the world. He also participated in about 20 city-marathons (2:46) and successsfully climbed the Kilimanjaro and the Mount Aconcagua.

Stefan has visited more than 101 countries and learnt a great deal about different cultures and people. He now makes use of this experience to select outstanding and unique locations for the GlobalLimits races.

Stefan has worked as a managing director for some of the leading global financial institutions before he retired in 2006 to become a self employed financial and personnel consultant but now is full time focused on GlobalLimits.

Stefan is also a member of the Curatoship of the Institute of Sports Medicine in Frankfurt/Germany.

Nathan Montague/Great Britain - Course Director

Nathan is a father of two beautiful girls, Teacher, Coach and aspiring International athlete. Having competed for his country on multiple occasions in Ultra distance he is continually pushing the boundaries of his own perceived limitations and relish the challenge of this unique sport which tests our resolve every time we dare take the start line. Having competing in some amazing places around the world he is aiming to push himself in international competition on both the trails, mountains and the roads including 24hour racing and the Multi-day stage races. He has competed and achieved success across the UK with numerous course records and wins in national competitions on the trails and roads in ultras in addition to races international, including the Mt Goaligong Ultra in China, KAEM in South Africa and GlobalLimits won GlobalLimits Sri Lanka 2016, GlobalLimits Sao Tomé in 2022 and GlobalLimits Cambodia 2023. He relishs competing for his country and his short term targets include making the national team in 24 hour racing and the Ultra Gobi 400km in September 2017 + 2018.

Nathan is also the training advisor for GlobalLimits.

Nathan already served as a course marker in GlobalLimits Albania 2017, 2018 and 2020 as well as in Bhutan 2019 and 2023 and Peaks of the Balkans 2025.

Ryan Paterson, Denver/USA - Medical Director

Dr. Ryan Paterson attended the University of Vermont School of Medicine and completed his Emergency Medicine Residency and Fellowship in Wilderness/Altitude/Expedition Medicine at Denver Health Medical Center/University of Colorado. He also holds advanced certifications in Tropical Medicine from the London School of Tropical Medicine and Hygiene (DTM&H) and in Mountain Medicine (DiMM). He is a practicing Emergency Physician for Kaiser Permanente at St Joseph’s Hospital in Denver, Colorado.

Dr. Paterson serves as co-course director for the Wilderness Medical Society and Universities of Colorado and Utah’s Diploma in Mountain Medicine Course (DiMM). He is the current United States delegate to the International Society of Mountain Medicine (ISMM). Currently, Dr. Paterson is working, in partnership with CU South Denver to develop a Wilderness Medicine for Kids program utilizing an original curriculum. He also serves as medical director for No Barriers and another non-profit (Kolkata City Mission) working to establish sustainable development solutions in education, health, women’s empowerment, micro-enterprise and public-health for informal communities in and around Kolkata, India.

Ryan already served as a race medical director at GlobalLimits Cambodia 2016, 2022 and Bhutan 2017, 2018, 2019, 2023, Albania 2018, 2020 and Sao Tome 2020, 2021, 2022 and 2023.

Maximiliano Smolkin, Dillon/USA - Race Doctor

Dr Smolkin was born in Argentina and grew up in Patagonia. He has always been in touch with the mountains and nature. Graduated from medical school at Universidad Nacional de Córdoba in Argentina and Internal Medicine Residency at University of Colorado, USA. Became faculty at University of Colorado in Denver and later moved to Summit County to work at St. Anthony Summit Hospital in Frisco, where he currently work as an Internal Medicine Hospitalist and serve as the Clinical Services Medicine Chairman and Board Member. During his first years in Summit County, working at 3000 m above sea level, he has seen how high altitude affects thousands of people, and became passionate about this topic. Decided to pursue further training and obtained his Fellowship in Wilderness Medicine at the University of Colorado, also becoming faculty. 

He recently opened his own clinic in High Altitude Medicine in Silverthorne, Colorado. Dr Smolkin is board certified by the American Board of Internal Medicine (ABIM) and a member of the Wilderness Medicine Society (WMS) and the International Society of Mountain Medicine (ISMM).

He has been part of several expeditions, including Alaska and Cordillera Blanca in Peru as a climber and as a Dr in the medical team.  He participates in multi day trail running and mountain biking races and also enjoys backcountry snowboarding, ice climbing, mountaineering, via ferratas, hiking and rafting. 

Rhonwen Jeffrey-Thomas/Great Britain - Race Doctor

Rhonwen is a Paramedic from the UK. She has been working for the Ambulance service in Kent for five years and has recently completed a post graduate diploma from St Georges University to qualify as a Paramedic Practitioner. She has volunteered at the Jungle marathon in Brazil and was a race doctor in GlobalLimits in Albania 2017, 2020 and 2022 as well as in Sao Tome 2020.

When she is not at work she is often hiking in the welsh mountains, surfing in Devon or riding a mountain bike down a trai

Amy Paterson, Denver/USA - Volunteer

Amy is the mother of two active girls, married to Ryan Paterson, GlobalLimits' medical director. She works as an Elementary School Teacher. In addition, she volunteer coaches soccer and lacrosse for young girls in Denver. She has supported and volunteered for numerous running, cycling, and triathlons races.

 She was an All-American lacrosse player in high school and college and loves working as a team. She is truly inspired by athletes competing in ultra-marathons and is excited to volunteer. Amy loves to travel, be outdoors and is always up for an adventure.

Amy already served as a volunteer at GlobalLimits Albania 2018, Sao Tomé 2021 and Uzbekistan 2025.

Camille Augey/France - Volunteer

Camille is a French engineer and entrepreneur with a strong taste for adventure and endurance challenges. She enjoys pushing her limits and stepping out of her comfort zone through trail running and long-distance thru-hiking, whether in the Alps or the Himalayas. Nothing excites her more than planning her next project and working through every detail step by step.

Driven by a strong connection to nature and people, she is currently training to become both a mountain hiking guide and a yoga teacher.

Passionate about cultural immersion and life abroad, Camille has lived in several countries across Europe and in Cambodia, and has since travelled extensively throughout Asia.

As a GlobalLimits volunteer, she brings energy, commitment, and genuine care for the runners' experience and the spirit of adventure that defines the races.

Jonne van Dijk/Netherlands - Volunteer

Jonne was a participant in the GlobalLimits Uzbekistan 2026, this was her first real introduction to stage races and running in general. 

She was born in the Netherlands but grew up in Switzerland and spend much of her free time hiking, trekking, camping. During the winter season she works as a ski instructor in the Swiss Alps. 

She has visited 41 countries so far, solo traveled about half of them. Antarctica is the only continent she has yet to visit. 

She likes volcanoes and have summited both Mount Rinjani in Indonesia and Acatenango in Guatemala.

Alongside her studies, she has mainly worked as a football coach in Zurich, 

In summer she is going to complete her Bachelor's degree in Data Science with a specialization in geospatial data. While she is still deciding on her next steps, she knows she is looking for experiences that combine people and the outdoors rather than 40h behind a  laptop screen. 

Ken Alderdice/Ireland - Volunteer

Having spent my 45 year work life in an office environment Ken has finally transitioned to the outdoors. he first came across the world of ultramarathons in my 60's and over the last 7 years he has  volunteered at 7 races and been on the start line on 5, although he only completed one, the GlobalLimits Cambodia race in December 2025. Not having been active or athletic at any stage in his prior life now he includes walking and hiking, along with travelling of course, among his main "hobbies". Given all the incredible locations and scenery he has visited, across 3 continents, what stands out most is the people, the competitors, the volunteers and the locals, many of whom have become close friends and he looks forward to continuing this journey in the coming years

Dietmar Rosenau/Germany - Volunteer

Dietmar is a well experienced ultra runner himself. He has participated in numerous ultra races around the world including 13 (!) GlobalLimits stage races.

He is also a winner of the prestigious “GlobalLimits Heritage Site Runner” series award.

It is the first time Dietmar joins the GlobalLimits team as a volunteer. With his experience and knowledge about GlobalLimits races he will be a perfect addition to out tea,

Javier Ullé, Madrid/Spain - Volunteer

Javier is passionate about sports and nature. He enjoys almost every sport and has practiced many throughout his life, including football, basketball, skiing, hiking, cycling, fitness training, and, above all, running.

He has been a member of Real Madrid for more than 40 years.

Javier took up running before turning 40, and since then he has participated in a wide range of races, successfully completing more than 50 marathons and half-marathons. His achievements include the Madrid, Barcelona, Valencia, Amsterdam, Da Nang (Vietnam), and Prague Marathons. Combining his passion for running with his love of the outdoors naturally led him to trail running. Since then, he has taken part in numerous trail events, including marathons and ultramarathons such as the Oxfam Trailwalker Madrid, the Alpine Madrid Marathon, Bastions in the Pyrenees, and the 2x2 Race in Romania.

Alongside sports, traveling is one of Javier's greatest passions. To date, he has visited more than 55 countries, and he finds immense joy in discovering new cultures, exploring diverse landscapes, and embracing new experiences.

Javier also brings extensive experience in working or collaborating on events in countries including Georgia, China, Chile, Namibia, and Spain, partnering with a variety of organizations and event organizers.