The fourth event in the annual "Run Big Trail Series". The 14 mile "hardcore" starts and finishes at the Hardesty Trailhead, climbing 3300 feet in the first 4.5 miles, descending 3300 feet in the next 4 miles, and then rolling for the final 5.5 miles. The 5.5 mile "forest-fiver" starts at the South Creek Trailhead and runs to the finish at the Hardesty Trailhead parking lot. Both distances are 100% single track trail.