Both the U.S. Trotting Association and the website HarnessRacing.com provide entries and results for harness races across the United States. The U.S. Trotting Association is the administrative and governing body of harness racing in the United States, while HarnessRacing.com is a news and data site produced by The Horseman magazine.
The USTA provides specific, daily information from every harness racing track in the United States. HarnessRacing.com provides more aggregate data, listing the season's most successful horses and trainers, for example. For specific statistics, it links back to the USTA website. Additionally, harnessracing.com provides news, commentary and analysis that the U.S. Trotting Association does not provide.