Related sites:

• runnersworld.com

  Runner's World

  

• mapmyrun.com

  MapMyRun

  

• coolrunning.com

  Running Events, Tips & Race Results | Cool Running

  

• halhigdon.com

  Hal Higdon - Time-Tested Training Programs for Marathons & More

  

• trailrunnermag.com

  Trail Runner magazine the Authority on Off Road Trail Running

  

• runsmartproject.com

  The Run S.M.A.R.T. Project

  

• runningforbeginners.com

  Running for Beginners - Couch to 5k, 10k, marathon program