Endurance Performance Trends in Ultra-Marathon Running

Ultra-marathon running, defined by distances longer than the standard marathon, has witnessed substantial growth in participation and performance over recent decades. Analyses spanning global events reveal widening accessibility across age groups, sexes and continents, with elite athletes increasingly emerging from traditionally underrepresented regions. Age of peak performance remains centred in the early to mid‐30s, yet variations arise according to distance, sex and environmental conditions. Technological advances in wearable monitoring and refined training protocols have driven performance improvements for top finishers, while recreational participants exhibit modest declines in average finishing times as field depth expands. Environmental stressors, including extreme heat and altitude, continue to influence pacing strategies and completion rates, prompting bespoke nutritional and pacing plans. The global footprint of ultra-marathons underscores their value as models for human endurance, informing insights into physiology, pacing psychology and logistical planning for long-duration efforts.

Research from Nature Portfolio

A comprehensive continent‐level study of 100-mile ultra-marathons over 150 years applied both macro‐ and micro‐analytical methods to more than 148,000 finishers. The investigation identified Africa as a hotspot for the fastest male performances and Europe and Africa for the fastest female outcomes, while North America and Europe supplied the greatest number of participants. Country‐level ranking highlighted Sweden, Hungary and Russia among the top female performers and Brazil, Russia and Lithuania for men. Regression analyses demonstrated shifting age and sex patterns over time, pointing to evolving training and selection influences across regions.

Endurance Performance Trends in Ultra-Marathon Running publication trend

The graph below shows the total number of articles in endurance performance trends in ultra-marathon running across all publications each year (not limited to Nature Index journals).

Technical terms

Ultra-marathon: A running event longer than the standard marathon distance of 42.195 km.

Macro-analysis: Examination of large-scale trends across populations or regions over extended periods.

Peak performance age: The age range at which athletes achieve their best race times.

Time-limited event: A race defined by a fixed duration rather than a set distance.

Distance-limited event: A race specified by a predetermined course length.

References

1. A macro to micro analysis to understand performance in 100-mile ultra-marathons worldwide. Scientific Reports (2023).
2. Women Reduce the Performance Difference to Men with Increasing Age in Ultra-Marathon Running. International Journal of Environmental Research and Public Health (2019).
3. The Impact of the COVID-19 Pandemic on Endurance and Ultra-Endurance Running. Medicina (2021).