Endurance Grid lists fifty-eight trail running 8K / 5 mile races across the US, from September 2026 to September 2027 across 22 states.
An 8K / 5 Mile is a running race where athletes run about 5 miles long (8 kilometers) for time.
Trail running 8K / 5 mile races are busiest in October and November, with the most in California, New York, Virginia, and Texas.