| Christopher Boone's efforts: | From | Age | Date | Finish Time |
|---|---|---|---|---|
| ABC 50 (Anza Borrego Cuyamaca 50) 2025 (50 Miler) | California, US | 54 | Saturday, December 6, 2025 | 12:52:51.00 |
| ABC 50 (Anza Borrego 50) | California, US | 52 | Saturday, December 2, 2023 | 12:38:44.00 |
| Christopher Boone's efforts: | From | Age | Date | Finish Time |
|---|---|---|---|---|
| ABC 50 (Anza Borrego Cuyamaca 50) 2025 (50 Miler) | California, US | 54 | Saturday, December 6, 2025 | 12:52:51.00 |
| ABC 50 (Anza Borrego 50) | California, US | 52 | Saturday, December 2, 2023 | 12:38:44.00 |