2020 Open Water National Championships
Course Descriptions
- USMS Sprint-Distance Open Water Championship (one mile on a quarter-mile straightaway or open water course)
- USMS 2-Mile Cable Open Water Championship (quarter-mile straightaway)
- USMS Middle-Distance Open Water Championship (greater than 1 mile and less than or equal to 3 miles)
- USMS Long-Distance Open Water Championship (greater than 3 miles and less than 6 miles)
- USMS Marathon-Distance Open Water Championship (greater than or equal to 6 miles and less than 9 miles)
- USMS Ultramarathon-Distance Open Water Championship (greater than or equal to 9 miles)