Scientific library

Peer-reviewed articles and books on training, physiology, and performance — curated for evidence-based coaching.

6,013 documents
article 2026

Associations Between Hydration, Sodium Intake, and Body Mass in Ultra-Endurance Trail Runners Under Ecological Race Conditions: A Cross-Sectional Field Study

Rafael Mendes Amorim, Larissa Quintão Guilherme, Mariana de Santis Filgueiras, Guilherme Pereira Saborosa, Gabrielle Ferreira Pires, Nathan de Oliveira Neumann, Volker Scheer, Luciano Bernardes Leite, Pedro Forte, Alexandra Malheiro, Marcus Vinicius Lucio dos Santos Quaresma, Helton de Sá Souza, Ana Claudia Pelissari Kravchychyn · Physiologia · 2026

n and electrolyte strategies are critical in mountain ultra-endurance events, yet field-based evidence from trail races remains limited. Th…

article 2026

The Role of Sleep on Physical and Cognitive Performance of Ultra-Endurance Athletes: A Systematic Review

Larissa Quintão Guilherme, Bruno Otávio Rodrigues, Carla de Oliveira Barbosa Rosa, Luciano Bernardes Leite, Volker Scheer, Pedro Forte, Helen Hermana Miranda Hermsdorff, Ana Claudia Pelissari Kravchychyn, Helton de Sá Souza · Journal of Clinical Medicine · 2026

:Sleep is an important factor for recovery and performance in endurance sports, yet its role in ultra-endurance events remains unclear due …

article 2026

A Systematic Review of the Factors Associated with Performance in Non-Elite Runners

Mabliny Thuany, Mayara Silva, Matheus Fernandes, Beat Knechtle, Katja Weiss, Thomas Rosemann, Thayse Natacha Gomes, Ramiro Rolim, Marcos André Moura dos Santos · J. Funct. Morphol. Kinesiol. · 2026

nd: We aimed to (i) identify the factors associated with performance in non-elite runners, (ii) present the terms and definitions/attribute…

article 2026

Gastrointestinal symptoms in athletes beyond endurance sports: a scoping review

Jordan J. Haworth, Natanya Bhatt, Kelsie O. Johnson, Graeme L. Close, Andreas M. Kasper, Floris C. Wardenaar, Anthony R. Hobson, Robert Fearn, Laura Mancin, Jamie Pugh · Performance Nutrition · 2026

Background Gastrointestinal symptoms are common in endurance athletes but the prevalence across other sports is unclear. Methods A scoping …

book 2026

Advanced Marathoning

Pete Pfitzinger, Scott Douglas · 2026

A comprehensive guide for runners aiming to improve their marathon performance.

article 2025

A Randomized Controlled Trial of Unresisted vs. Heavy Resisted Sprint Training Programs: Effects on Strength, Jump, Unresisted and Resisted Sprint Performance in Youth Rugby Union Players

Santiago Zabaloy, Robin Healy, Lucas A. Pereira, Eduardo Tondelli, Luciano Tomaghelli, Juan Aparicio, Franco Vega, Joaquín Medrano, Julián Giráldez, Thomas Comyns, Tomás T. Freitas, Irineu Loturco · Journal of Human Kinetics · 2025

This study aimed to compare: 1) the effects of a 4-week unresisted vs. resisted sprint training programs (UST and RST with 50% body mass, r…