| Difficult Run to Lake Grove (New York) | 261.85 mi (421.41 km) |
| Difficult Run to Lake Havasu City (Arizona) | 2,055.94 mi (3,308.71 km) |
| Difficult Run to Lake Hopatcong (New Jersey) | 203.11 mi (326.88 km) |
| Difficult Run to Lake in the Hills (Illinois) | 620.09 mi (997.94 km) |
| Difficult Run to Lake Jackson (Texas) | 1,237.01 mi (1,990.77 km) |
| Difficult Run to Lake Los Angeles (California) | 2,242.31 mi (3,608.64 km) |
| Difficult Run to Lake Magdalene (Florida) | 803.18 mi (1,292.60 km) |
| Difficult Run to Lake Mary (Florida) | 737.00 mi (1,186.09 km) |
| Difficult Run to Lake Monticello (Virginia) | 86.13 mi (138.62 km) |
| Difficult Run to Lake Morton-Berrydale (Washington) | 2,297.29 mi (3,697.13 km) |
| Difficult Run to Lake Norman of Catawba (North Carolina) | 303.36 mi (488.21 km) |
| Difficult Run to Lake Oswego (Oregon) | 2,334.18 mi (3,756.49 km) |
| Difficult Run to Lake Ridge (Virginia) | 15.14 mi (24.37 km) |
| Difficult Run to Lake Ronkonkoma (New York) | 261.05 mi (420.12 km) |
| Difficult Run to Lake Shore (Maryland) | 48.20 mi (77.57 km) |
