Will women outrun men in ultra-marathon road races from 50 km to 1,000 km?

Analysis of performance and age of the fastest 100-mile ultra-marathoners worldwide

(2013) CA Rust et al.   Clinics

Sex differences in 24-hour ultra-marathon performance - A retrospective data analysis from 1977 to 2012

(2013) L Peter et al.   Clinics

Exercise Behavior of Ultramarathon Runners

(2013) Martin D. Hoffman et al.   JOURNAL OF STRENGTH AND CONDITIONING RESEARCH

Born to run. Studying the limits of human performance

(2012) Andrew Murray et al.   BMC Medicine

Similarities and differences in anthropometry and training between recreational male 100-km ultra-marathoners and marathoners

(2012) Christoph Alexander Rüst et al.   JOURNAL OF SPORTS SCIENCES

A Systematic Review: Plyometric Training Programs for Young Children

(2011) Barbara A Johnson et al.   JOURNAL OF STRENGTH AND CONDITIONING RESEARCH