http://www.runnersworld.com/feeds/runners-world-feed This feed is the best that Runner's World has to offer. We'll hand pick the best of our magazine content, news stories, slideshows, videos, blog posts, and more. en http://www.runnersworld.com/health/watchdog-group-says-new-fda-sunscreen-rules-mostly-ineffective Only 25% of products met Environmental Working Group’s standards. Tue, 21 May 2013 19:17:33 +0000 Michelle Hamilton http://www.runnersworld.com/health/watchdog-group-says-new-fda-sunscreen-rules-mostly-ineffective http://www.runnersworld.com/health/watchdog-group-says-new-fda-sunscreen-rules-mostly-ineffective#comments http://www.runnersworld.com/races/one-time-marathon-offers-runners-a-shot-at-boston-2014 BQ race planned for August in Pennsylvania. Tue, 21 May 2013 17:16:47 +0000 Michelle Hamilton http://www.runnersworld.com/races/one-time-marathon-offers-runners-a-shot-at-boston-2014 http://www.runnersworld.com/races/one-time-marathon-offers-runners-a-shot-at-boston-2014#comments http://www.runnersworld.com/injury-prevention-recovery/running-injuries-remain-difficult-to-understand Study: Asymmetries don't appear to be a culprit. Tue, 21 May 2013 14:57:58 +0000 Amby Burfoot http://www.runnersworld.com/injury-prevention-recovery/running-injuries-remain-difficult-to-understand http://www.runnersworld.com/injury-prevention-recovery/running-injuries-remain-difficult-to-understand#comments http://www.runnersworld.com/workouts/5-core-workouts-for-stronger-running A strong core will help you hold proper running form longer. Tue, 21 May 2013 14:40:41 +0000 Susan Paul http://www.runnersworld.com/workouts/5-core-workouts-for-stronger-running http://www.runnersworld.com/workouts/5-core-workouts-for-stronger-running#comments http://www.runnersworld.com/injury-prevention-recovery/how-long-does-it-take-to-recover-from-piriformis-pain The cure to piriformis pain is finding the culprit. Mon, 20 May 2013 21:12:19 +0000 William O. Roberts, MD http://www.runnersworld.com/injury-prevention-recovery/how-long-does-it-take-to-recover-from-piriformis-pain http://www.runnersworld.com/injury-prevention-recovery/how-long-does-it-take-to-recover-from-piriformis-pain#comments http://www.runnersworld.com/nutrition-for-runners/can-a-drink-hurt-my-running-performance "A drink" won't have much of an effect. Many drinks, however, can hurt your performance. Mon, 20 May 2013 20:54:21 +0000 Pamela Nisevich Bede, M.S., R.D. http://www.runnersworld.com/nutrition-for-runners/can-a-drink-hurt-my-running-performance http://www.runnersworld.com/nutrition-for-runners/can-a-drink-hurt-my-running-performance#comments http://www.runnersworld.com/health/does-adversity-make-you-a-better-runner A new study suggests life’s difficulties may help us deal with future physical and mental stress. Mon, 20 May 2013 20:07:50 +0000 Michelle Hamilton http://www.runnersworld.com/health/does-adversity-make-you-a-better-runner http://www.runnersworld.com/health/does-adversity-make-you-a-better-runner#comments http://www.runnersworld.com/running-tips/how-exercise-affects-sleep-and-vice-versa In study, morning workout results in fewer wakings that night. Mon, 20 May 2013 18:34:10 +0000 Scott Douglas http://www.runnersworld.com/running-tips/how-exercise-affects-sleep-and-vice-versa http://www.runnersworld.com/running-tips/how-exercise-affects-sleep-and-vice-versa#comments http://www.runnersworld.com/races/oxy-high-performance-meet Big names in U.S. track and field gauged fitness and sought qualifying marks for the national and world championships. Mon, 20 May 2013 15:15:47 +0000 Scott Douglas http://www.runnersworld.com/races/oxy-high-performance-meet http://www.runnersworld.com/races/oxy-high-performance-meet#comments http://www.runnersworld.com/elite-runners/mary-cain-keeps-making-track-history Another high school record at 1500 meters. Mon, 20 May 2013 13:05:37 +0000 Peter Gambaccini http://www.runnersworld.com/elite-runners/mary-cain-keeps-making-track-history http://www.runnersworld.com/elite-runners/mary-cain-keeps-making-track-history#comments