After my first marathon, would it be right to continue with a 50k ultra in three months? @asafmiller It wouldn’t be wrong. But whether you should run a 50k just three months after your fir...
Articles by Nick Tiller, PhD
How long does it take for the heart to recover after a 100-miler? @droliviaaffuso This is an important and timely question, but it’s a very difficult one to answer directly. It depends how we define “recover” and w...
How do I ensure I eat sufficient calories for my needs? (@jmbarbit) There are numerous challenges to overcome as an ultrarunner and one of the greatest, at least from a nutritional perspective, is consuming enough calor...
We asked readers to send us questions for an exercise physiologist. Here are a few of the questions and the answers that follow. When cramps and DOMS (delayed onset muscle soreness) come knocking at the door after an...

