Help Slate build a better running calculator by filling out a short survey. In the article below, Christie Aschwanden explains why existing calculators are flawed, and how you can help create a better ...

I'd been doing most of my long runs at about a 10:30 pace. On my long run this weekend, however, I pushed myself a little and ran at 9:45 pace. I was still able to speak in complete sentences and wasn ...

Exercising in hot and humid weather is far from ideal, but those who are avid runners have no choice but to lace up their sneaks and face the heat. If you are struggling to maintain a nine minute mile ...

Preparing for a fall marathon, a runner posts an 18-minute 5K PR in a tuneup race. Excited, he punches the time into three different race-equivalency calculators to find his projected time for the ...

Maintaining an exercise routine during summer can be tough. With the sun beating down and the humidity cranked up, even the most modest workouts can leave you feeling exhausted and sluggish. If you’re ...