| DCRO Dash | Wed 17th Jun 2026 | 3/76 | 00:37:32 | See all Alex Mason at DCRO Dash |
| Jura | Sat 23rd May 2026 | 43/237 | 04:11:37 | See all Alex Mason at Jura |
| Black Combe | Sat 7th Mar 2026 | 24/433 | 01:13:21 | See all Alex Mason at Black Combe |
| Doctors Gate | Sat 21st Feb 2026 | 27/404 | 01:43:31 | See all Alex Mason at Doctors Gate |
| Club Championships 2025 (Dalehead) | Sat 15th Nov 2025 | 4/50 | 01:04:07 | See all Alex Mason at Club Championships |
| Blackamoor Chase | Thu 17th Jul 2025 | 2/168 | 00:27:59 | See all Alex Mason at Blackamoor Chase |
| Granite Peaks 10K | Sat 24th May 2025 | 9/77 | 01:01:50 | See all Alex Mason at Granite Peaks 10K |
| Stuc a’ Chroin | Sat 3rd May 2025 | 74/140 | 02:34:30 | See all Alex Mason at Stuc a' Chroin |
| Sale Fell | Sun 10th Nov 2024 | 1/117 | 00:25:59 | See all Alex Mason at Sale Fell |
| Blisco Dash – men | Sat 27th Jul 2024 | 44/233 | 00:44:04 | See all Alex Mason at Blisco Dash - men |