Douglas Osborne
| Date | Swim | Route | Km | Age | Time/Place |
|---|---|---|---|---|---|
| 2018 Jul 28 | Dock to Dock | Royal Docks buoy course | 10 | 03:56:52 (23/33) | |
| 2019 Jul 13 | Dock to Dock | Royal Docks buoy course | 10 | 03:19:07 (24/34) | |
| 2019 Aug 4 | Thames Marathon | Henley-on-Thames to Marlow | 14 | 04:01:01 (40/98) | |
| 2021 Aug 15 | Thames Marathon | Henley-on-Thames to Marlow | 14 | 02:49:45 (42/77) | |
| 2021 Sep 4 | Dock to Dock | Royal Docks buoy course | 15 | 06:12:37 (11/14) | |
| 2022 Aug 14 | Thames Marathon | Henley-on-Thames to Marlow | 14 | 04:51:09 (71/132) |