HEATKEYS

MapMyRun.com is a community web site for runners and joggers who want to stay healthy, lose weight or train more effectively. MapMyRun.com provides easy-to-use, comprehensive web-based running tools, social networking, running iPhone applications, an...

Best 100 North American races, Best 5k, Best 10k, Best Half Marathons, Best Marathons, Best Ultras, Best Trail races, Race Prize Money, Largest races, Age-group race performances, plus more

and by "the city", I mean NYC only.

Helps groups of people with shared interests plan meetings and form offline clubs in local communities around the world

YouTube is a place to discover, watch, upload and share videos.

foursquare

Facebook is a social utility that connects people with friends and others who work, study and live around them. People use Facebook to keep up with friends, upload an unlimited number of photos, post links and videos, and learn more about the people ...

Adventures of a Pharmacist on the Run

Triathlon training program for the beginner triathlete offering instruction and tips in the swim, bike and run. Includes training logs, discussion and many important resources.

Twitter is without a doubt the best way to share and discover what is happening right now.

Providing you with the resources you need to map my trail, including a GPS for hiking, a pedometer, hiking trails, hiking maps and a count of the hiking miles you?ve trekked.