Remco van Althuis
| Date | Swim | Route | Km | Age | Time/Place |
|---|---|---|---|---|---|
| 2011 | IJsselmeer Zwemmarathon | Stavoren to Medemblik | 22 | 05:57:30 (6/12) | |
| 2017 Aug 12 | IJsselmeer Zwemmarathon | Stavoren to Medemblik | 22 | 05:13:53 (2/21) | |
| 2018 Aug 11 | IJsselmeer Zwemmarathon | Stavoren to Medemblik | 22 | 05:40:36 (5/15) | |
| 2019 Aug 17 | IJsselmeer Zwemmarathon | Stavoren to Medemblik | 22 | 06:33:20 (6/28) |