A new study reveals how ultramarathons trigger significant metabolic changes in the body, highlighting increased energy demands, enhanced fat metabolism, and shifts in muscle biochemistry crucial for endurance performance.
Browsing: ultramarathon
Athletes face brutal conditions in the Yukon Arctic Ultra marathon, enduring subzero temperatures and rugged terrain. The grueling race tests extreme endurance and resilience in one of the world’s harshest environments.
Inside Western States offers an exclusive look at the world’s premier 100-mile trail race. Athletes face rugged terrain, extreme weather, and fierce competition in one of endurance running’s toughest challenges.
Farnham Runners delivered strong performances at the Alresford 10k, ultramarathon, and trail marathon events. Several club members secured top finishes, showcasing endurance and teamwork across challenging courses.
Ryan Montgomery made history at the Western States 100, becoming the fastest American ever to complete the grueling ultramarathon. His record-breaking performance cements his place among the sport’s elite.
Suunto athlete Jennifer Lichter triumphed at the Western States 100-Mile Endurance Runâ„¢, showcasing exceptional stamina and skill. Her victory highlights Suunto’s role in supporting elite endurance athletes.
Catch every mile of the Western States 100, the world’s oldest 100-mile trail race, with live streaming coverage. Runner’s World guides you on how to watch this iconic event from start to finish anywhere.
India’s ultramarathon mom defies odds, balancing motherhood and extreme endurance running. Her inspiring journey highlights resilience and determination in the face of physical and societal challenges.
The legendary Comrades Marathon, a 90km ultramarathon in South Africa, transcends sport to embody national spirit. Celebrated annually, it unites communities and symbolizes endurance, resilience, and cultural pride.
The inaugural Hochkönig Ultraks saw a strong debut, drawing elite trail runners to Austria’s stunning alpine terrain. Athletes pushed limits in a challenging, scenic course, setting the stage for a new ultrarunning tradition.










