| Boz’s Birthday Run | Sat 24th Feb 2024 | 11/11 | 02:17:35 | See all Ian Challan at Boz's Birthday Run |
| Ashop Horseshoe | Sat 21st Jan 2023 | 7/20 | 01:53:14 | See all Ian Challan at Ashop Horseshoe |
| Triple Crossing | Sat 23rd Apr 2022 | 12/15 | 02:12:58 | See all Ian Challan at Triple Crossing |
| Round Rotherham Run | Sat 9th Oct 2021 | 27/155 | 10:28:34 | See all Ian Challan at Round Rotherham Run |
| Nine Edges Race | Sat 11th Sep 2021 | 7/118 | 02:59:07 | See all Ian Challan at Nine Edges Race |
| Crookstone Crashout | Wed 23rd Jun 2021 | 10/26 | 01:03:20 | See all Ian Challan at Crookstone Crashout |
| Redmires iOrienteering | Fri 30th Apr 2021 | 3/5 | 01:47:46 | See all Ian Challan at Redmires iOrienteering |
| Solstice 42 TT – Men (High Peak Marathon) | Sun 21st Jun 2020 | 19/ | 10:00:30 | See all Ian Challan at Solstice 42 TT - Men (High Peak Marathon) |
| Upper Derwent Stones TT – men | Fri 12th Jun 2020 | 15/25 | 02:20:23 | See all Ian Challan at Upper Derwent Stones TT - men |
| Marsden to Edale Trigger | Sun 12th Jan 2020 | 23/169 | 04:39:04 | See all Ian Challan at Marsden to Edale Trigger |