| Ruffin Kan's efforts: | From | Age | Date | Finish Time |
|---|---|---|---|---|
| 2025 Sawatch Ascent | Colorado, US | 41 | Sunday, September 28, 2025 | Not yet started |
| Staunton Rocks! Marathon & Half 2025 (Half Marathon) | Colorado, US | 40 | Saturday, August 23, 2025 | 02:41:37.00 |
| Never Summer 100k (2025) (100k) | Colorado, US | 40 | Saturday, July 26, 2025 | DNF |
| Staunton Rocks! Marathon & Half (Half Marathon) | Colorado, US | 36 | Saturday, August 28, 2021 | 02:28:15.00 |