Tick Check: A Guide for Running in Tick Country
A guide for running safely in tick country.
Abby Hall and Caleb Olson won the Western States 100! Read our 2025 Western States 100 results article for the full race story. Watch Abby and Caleb’s post-race interviews, and enter now for your chance to win Altra Experience Wild 2 trail shoes.
Updates to iRunFar’s COVID-19 running community guide.
A trail running and ultrarunning community guide to the COVID-19 pandemic.
The Running on Science column uses current scientific understanding to address four running myths.
The second article of a two-part series on blood laboratory testing for runners.
The science of mindfulness practice for sport performance.
The Running on Science column busts four running myths with current scientific understanding.
A close look at Haglund’s deformity and other causes of heel pain in runners.
The science behind strength training for endurance runners.
A look at the science behind the occurrence of and treating low-back pain in runners.
The science of pre-cooling and mid-cooling in endurance running.
An in-depth look at the scientific understanding of bone health and injuries in adult long-distance runners.
An in-depth look at the science of exercise recovery.
The first article in a two-part series on blood laboratory testing for runners.
The science of gastrointestinal-tract function, training, and distress in endurance running.
An in-depth look at regenerative sports medicine for running injuries.
A deep look at the current science and understanding of overtraining syndrome.
A deep look at the science of iron deficiency and anemia in runners.
The science behind caffeine and athletic performance.
The science behind exercise-associated hyponatremia.
The science of altitude acclimation for endurance running and other outdoor sports.
Heat acclimation for hot-weather endurance running.
A review of how running affects the heart in the short and long term.
A look at the non-asthma breathing problems that occur during endurance running.
