| Mark Shields's efforts: | From | Age | Date | Finish Time |
|---|---|---|---|---|
| The Ranch 2025 (Half Marathon) | California, US | 52 | Saturday, February 15, 2025 | 02:56:05.00 |
| The Ranch 2024 (Half Marathon) | California, US | 51 | Saturday, February 10, 2024 | 02:58:25.00 |
| Mark Shields's efforts: | From | Age | Date | Finish Time |
|---|---|---|---|---|
| The Ranch 2025 (Half Marathon) | California, US | 52 | Saturday, February 15, 2025 | 02:56:05.00 |
| The Ranch 2024 (Half Marathon) | California, US | 51 | Saturday, February 10, 2024 | 02:58:25.00 |