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Falls and Ankle Rolls in 227 Distance Trail Runners: Incidence and Contributing Factors Including Neurocognitive
Alan R Needle1,2, Mabry G Watson1, Shawn E Roberts3
1Department of Kinesiology, Appalachian State University, Boone, NC, USA.
Journal of Sport Rehabilitation
|January 28, 2026
Summary
Falls and ankle rolls are common in trail running, especially in faster, more technical races. Pace, terrain difficulty, and perceived effort are stronger predictors of injury than pre-race neurocognitive assessments.
Area of Science:
- Sports Medicine
- Biomechanics
- Exercise Physiology
Background:
- Trail running presents unique risks due to complex terrains, leading to falls and ankle injuries.
- Understanding injury mechanisms is crucial for prevention strategies in trail running events.
Purpose of the Study:
- To determine the incidence of falls and ankle rolls in trail running races (20-50 km).
- To evaluate the predictive role of a multitask neurocognitive assessment on injurious mechanisms in trail runners.
Main Methods:
- Prospective cohort study involving 227 trail runners across 9 races.
- Pre-race assessment of motor and cognitive performance.
- Post-race data collection on falls, ankle rolls, perceived exertion, and finish times.
Main Results:
- Incidence rates for falls and ankle rolls were 27.3% and 23.3%, respectively.
- Higher fall rates correlated with faster race times, less elevation gain, and more single-track terrain.
- Faster pace and greater perceived effort were significant predictors of falls and combined injuries.
Conclusions:
- Falls and ankle rolls are frequent in trail running, particularly in challenging races.
- While neurocognitive factors showed limited predictive value, their interaction with motor control may influence risk.
- Injury risk in trail running is multifactorial, with pace, terrain, and effort being key determinants.
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