New Year's Resolution 2012: Run a Marathon or Triathlon

Just about everything you -- and the 1.7 million from all over the world who've visited the site in the last 3 years -- want to know is here. offers free advice for marathoners and triathletes: just about everything you need to know about training for and racing great marathons and Ironman triathlons, from Boston to Kona, and beyond.

Stats and Analysis

Extra Credit


Toughest/Easiest Races

Best Races

What To Expect: Everything You Need to Know

Predicting Outcomes

Chicago Marathon

New York City Marathon

Marine Corps Marathon

Results Analysis

Half Ironman Distance Results Analysis