| Difficult Run to Bingen am Rhein | 4,042.85 mi (6,506.33 km) |
| Difficult Run to Birkenau | 4,087.29 mi (6,577.86 km) |
| Difficult Run to Birkenfeld | 4,104.95 mi (6,606.28 km) |
| Difficult Run to Bischofsheim | 4,060.57 mi (6,534.86 km) |
| Difficult Run to Bischofswerda | 4,254.90 mi (6,847.60 km) |
| Difficult Run to Bisingen | 4,133.33 mi (6,651.95 km) |
| Difficult Run to Bissendorf | 3,989.69 mi (6,420.79 km) |
| Difficult Run to Bitburg | 3,987.43 mi (6,417.14 km) |
| Difficult Run to Bitterfeld | 4,167.98 mi (6,707.71 km) |
| Difficult Run to Blankenburg | 4,110.42 mi (6,615.09 km) |
| Difficult Run to Blankenfelde | 4,186.56 mi (6,737.61 km) |
| Difficult Run to Blaubeuren | 4,165.97 mi (6,704.47 km) |
| Difficult Run to Bleicherode | 4,106.33 mi (6,608.50 km) |
| Difficult Run to Blieskastel | 4,037.46 mi (6,497.66 km) |
| Difficult Run to Blomberg | 4,033.67 mi (6,491.56 km) |
