| 50K Distance Matrix | |||
| Miles | Location | Out/Back | Loop# |
| 0 | Start / Finish | Out | 1 |
| 1.09 | Promontory Point Aid Station | Out | 1 |
| 3.76 | 39th St Aid Station | Out | 1 |
| 4.35 | 35th Aid Station | Out | 1 |
| 5.16 | 50K Turn Around | Out | 1 |
| 5.96 | 35th Aid Station | Back | 1 |
| 6.55 | 39th St Aid Station | Back | 1 |
| 9.22 | Promontory Point Aid Station | Back | 1 |
| 10.34 | Start / Finish | Back | 1 |
| 11.43 | Promontory Point Aid Station | Out | 2 |
| 14.1 | 39th St Aid Station | Out | 2 |
| 14.69 | 35th Aid Station | Out | 2 |
| 15.5 | 50K Turn Around | Out | 2 |
| 16.3 | 35th Aid Station | Back | 2 |
| 16.89 | 39th St Aid Station | Back | 2 |
| 19.56 | Promontory Point Aid Station | Back | 2 |
| 20.68 | Start / Finish | Back | 2 |
| 21.77 | Promontory Point Aid Station | Out | 3 |
| 24.44 | 39th St Aid Station | Out | 3 |
| 25.03 | 35th Aid Station | Out | 3 |
| 25.84 | 50K Turn Around | Out | 3 |
| 26.64 | 35th Aid Station | Back | 3 |
| 27.23 | 39th St Aid Station | Back | 3 |
| 29.9 | Promontory Point Aid Station | Back | 3 |
| 31.1 | Start / Finish | Back | 3 |