Health / Fitness / Training

• Polka - A personal observation engine and health logger for web for private, health team, and twitter posts and metrics and view trending charts of key personal metrics.
• Ugomo - Log your workouts from twitter and get stats, summaries and reports. Get started by sending a message like this: #run 30 min 4 miles 165bpm @ugomo
• w8track - Record your weight via direct messages from Twitter. Track history, trends, and averages on the Web. Follow @w8track to get started.
• IDidMyBestest Runners, riders, and swimmers! Tweet your distance, time, and notes and we’ll chart your data, compare to other users, etc. You can even participate in challenges and win trophies, download your data as excell or csv, and more.
• TweetARun - OpenAuth based website that tracks your Running history and Time taken. The simple interface will generate a Tweet for you or you can just save without updating Twitter. You get gorgeous graphs that are easy to embed in a blog or take your data with you through RSS or the JSON API.
• Tweetwhatyoueat Twitter-based food diary. Use Twitter to track what you eat by ‘tweeting’ food items you’ve eaten from your mobile phone, IM or through Twitter.com. 'follow twye' for more info.
• FoodFeed Twitter-based food log. Track what you eat by prefixing a message with @having, or direct messaging having. Results will be on username.foodfeed.us. fastmedicalinfo
• gtFtr - Get Fitter with Twitter. Tracks exercise stats (eg Elliptical workouts or pushups) and graphs your progress over time.
• TweetPlot - Chart/Plot various stats you keep track of via twitter (running milage, calories, reps, weight, etc.)
• Twackit - Use your Twitter account to track weight, exercise, caloric intake, or any other metric & observe trends over time. Helps you keep motiviated, meet goals and spot trends.