Alpine Running continues to add amazing races to their lineup and while I’ve done a handful, this one has eluded me year after year. Don’t be like me – sign up and get on these dreamy trails! The Three Sisters Skyline is a great end-of-summer-but-not-quite-fall timeframe on September 24th this year and once again offers the 50K and half marathon distance options. Both courses are considered “fast” by trail running standards, however, the 50K gets…