246: Echocardiographic impact of marathon running in 54 female athletes

Relative Age Affects Marathon Performance in Male and Female Athletes.

Marathon runners are ranked in 5-year age groups. However the extent to which 5-year groupings facilitates equitable competition has not been evaluated. The aim of this study was to evaluate the effect of relative age in male and female marathon running. Marathon finishing times for the top ten male (aged 20-69 years) and female athletes (aged 20-64 years) were obtained from the 2013 New York a...

Ultra-Marathon Athletes at Risk for the Female Athlete Triad

BACKGROUND Worldwide female participation in ultra-endurance events may place them at risk for the female athlete triad (FAT). The study objectives were to establish triad knowledge, occurrence of disordered eating and triad risk amongst participants of the 2014 89-km Comrades Marathon event. METHODS A survey utilising the Low Energy Availability in Females questionnaire (LEAF-Q) and Female A...

Impact of Environmental Parameters on Marathon Running Performance

PURPOSE The objectives of this study were to describe the distribution of all runners' performances in the largest marathons worldwide and to determine which environmental parameters have the maximal impact. METHODS We analysed the results of six European (Paris, London, Berlin) and American (Boston, Chicago, New York) marathon races from 2001 to 2010 through 1,791,972 participants' performan...

Acute variation of osteocalcin and parathyroid hormone in athletes after running a half-marathon.

1. Aloia JF, Feuerman M, Yeh JK. Reference range for serum parathyroid hormone. Endocr Pract 2006;12:137–44. 2. Pantazi H, Papapetrou PD. Changes in parameters of bone and mineral metabolism during therapy for hyperthyroidism. J Clin Endocrinol Metab 2000;85:1099–106. 3. Kumeda Y, Inaba M, Tahara H, Kurioka Y, Ishikawa T, Morii H, Nishizawa Y. Persistent increase in bone turnover in Graves’ pat...

Variability of pacing in marathon distance running