Rock/Creek in Chattanooga, TN, just launched a new Trail Series, with 9 race dates and 13 distance options from five miles to 100k. The events are spread out throughout the year and start with the River Gorge race on March 29th. The StumpJump 50k is also a part of the series, taking place in October, and is a great race. Two of the races are also in Vasque's Trail Tour. Check it out. (via Trail Running articles page at Rock/Creek)