http://runnersfeed.com/heart-rate-variability-and-the-ithlete-app/ Training | Reviews | News | Coaching | 10K Fri, 14 Jun 2013 20:59:40 +0000 hourly 1 http://wordpress.org/?v=3.5.1 http://runnersfeed.com/heart-rate-variability-and-the-ithlete-app/comment-page-1/#comment-363 Negative Impacts of Running Gadgets - Runners Feed Tue, 28 Jun 2011 11:57:10 +0000 http://runnersfeed.com/?p=4078#comment-363 [...] them at home. After all, many of the world records still exist from days long before ipods and heart-rate monitors, and it didn’t take a GPS watch to measure the first marathon completed in ancient Greece. [...]

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