The Blue Ridge Marathon has 7,430 feet of total elevation change, meaning approximately 3,570 feet of gain and 3,860 feet of loss. That number alone is more than any other road marathon in the United States.
Mill Mountain (miles 2-4): Two-mile sustained climb through wooded switchbacks. Steady, not savage, but relentless.
Roanoke Mountain (miles 5.5-7.5): The crown jewel. 780 feet of gain in two miles through Blue Ridge Parkway switchbacks with sweeping overlooks. The steepest sustained grade on the course.
Peakwood (miles 19-20): Shorter but steeper, arriving at exactly the point where your body has the least to give. Almost everybody walks some of it.
The descents deserve their own warning. Roanoke Mountain's backside is steeper than the front. The two-mile drop down Prospect Avenue is fast and unforgiving on fatigued legs. Downhill damage accumulates silently. You don't feel it while it's happening. You feel it at mile 22.
Miles 14 to 17 on the Roanoke River Greenway are flat. Genuinely flat. After everything before them, they feel like a different race entirely. Use them to recover, refuel, and mentally prepare for Peakwood.
The takeaway: this is not a course where you can rely on pacing charts. The terrain changes so dramatically every two to three miles that any given split is meaningless. Run by feel. Run by the mountain in front of you.