The following are links I hope you find useful...
http://www.dailymile.com/ - Track your training and meet new friends.
http://www.lydiardfoundation.org/ - Learn about the timeless training of Arthur Lydiard.
http://www.go2lydiard.com/ - Customized training plans for all distances based on Lydiard principles.
http://www.marathonguide.com/ - Great resource to find marathons and read reviews.
http://www.briancalkins.com/HeartRate.htm - Target Heart Rate calculator
http://www.runningforfitness.org/calc/racepaces/rp - Good race pace predictor
http://www.runningtimes.com/ - Good resource of racing and training articles.
http://www.mcmillanrunning.com/ - Another training resource and pace calculator
http://www.runningwarehouse.com/ - I buy a lot of my gear here.
