American Running Association A nonprofit organization dedicated to educating and supporting runners. Provides useful suggestions and resources. http://www.americanrunning.org/

Running with Active.com A runner's source for running, training information, racing tips, and race registration. From 5k races to marathons, one of the largest running and fitness resource on the web. http://www.active.com/running/

Runners Web Dedicated to running in the UK, including club directory, training diaries, advice, pace calculators, book reviews and message boards. http://www.runnersweb.co.uk/

Iskip.com Club of people who like to skip, and which organizes skips to benefit charities. Site profiles the movement founder and key figures, local skipping activities, and benefits of skipping. http://www.iskip.com/

Warmdown.com An online community for competitive runners to meet, record training and race results, discuss, measure-up performances, and improve. Live coaching, health advice, message boards, a comprehensive log, and a PR database. http://www.warmdown.com/

Suite101.com - Running Running information, running tips, personal stories by runners, online discussion area. http://www.suite101.com/welcome.cfm/running

MensRacing.com Focuses on men's elite distance running. Features photos, news, results, interviews, message boards, and links. http://www.mensracing.com/

Momentum Sports Provides online running training for all distances from sprinters to marathon runners. Also give information on weights, circuits, stretching, nutrition, recommended venues for training and racing, books. http://www.momentumsports.co.uk/

The National Running Route Repository Providing maps of running routes and local links for cities across the United States. http://www.runroutes.com/

United States Corporate Athletics Association Regional and national running events, with news items, past results, pictures, officer listing and contacts. http://www.uscaa.org/

Dead Runners Society A discussion group about running. The group is informal and social and they all try to encourage each other in their running programs. They talk about everything related to running, from meditation to marathons. http://storm.cadcam.iupui.edu/drs/drs.html

Running the Planet From Antarctica to Zimbabwe, the site offers descriptions of where to run and walk in the cities of the whole world, as told by the locals. Helpful for travelers, trip planners and travel agents. http://www.runtheplanet.com/

Realrunner.com Training, races, starting out, clubs, women's running, health, chat, tips, marathons, 10Ks, half marathons, emailed training schedules and text messages with training schedules. http://www.realrunner.com/

Perfect Timing Montana's Premier Race Service, provides accurate timing and results in the Montana area. http://perfect-timing.org/

Running Page Product reviews, running information, discussions. http://www.runningpage.com/

Time-to-Run Articles from nutritionists, physiotherapists, coaches, sports doctors, exercise physiologists, massage therapists and a calendar of events around the world. http://www.time-to-run.com/

Running USA The official Running USA and USATF Distance Running Site. Offers events calendar, media center, results, rankings and records, administration and links. http://www.runningusa.org/

Running Online A guide to running related web sites, high school and college programs, training articles, a college recruiting database, and runners log. http://www.runningonline.com/

The Running Log Allows the user to record, review and analyze running, biking, and swimming workouts. Requires a free membership. http://www.therunninglog.com/

Running Past Dedicated to the history of running and running memorabila. Offers articles about running events and presents autographed items, posters, and collectibles for purchase. http://www.runningpast.com