| Difficult Run to Thornaby on Tees | 3,568.71 mi (5,743.28 km) |
| Difficult Run to Thornbury | 3,577.34 mi (5,757.17 km) |
| Difficult Run to Thorne | 3,600.32 mi (5,794.16 km) |
| Difficult Run to Thornton | 3,561.78 mi (5,732.13 km) |
| Difficult Run to Thornton Heath | 3,680.67 mi (5,923.46 km) |
| Difficult Run to Thorpe Saint Andrew | 3,711.66 mi (5,973.33 km) |
| Difficult Run to Thundersley | 3,705.30 mi (5,963.11 km) |
| Difficult Run to Tilbury | 3,698.34 mi (5,951.91 km) |
| Difficult Run to Tilehurst | 3,641.31 mi (5,860.13 km) |
| Difficult Run to Timperley | 3,550.53 mi (5,714.02 km) |
| Difficult Run to Tipton | 3,577.27 mi (5,757.06 km) |
| Difficult Run to Tiptree | 3,706.38 mi (5,964.84 km) |
| Difficult Run to Tiverton | 3,551.79 mi (5,716.05 km) |
| Difficult Run to Todmorden | 3,553.57 mi (5,718.92 km) |
| Difficult Run to Tonbridge | 3,700.91 mi (5,956.05 km) |
