| Loa: | 10m (30feet) |
| Lwl: | 7.3m (24feet) |
| Beam: | 2.1m (06.9feet) |
| Draft: | 1.3m (04.3feet) |
| Year: | 1948 |
| Designer: | Erik Nilsson |
Mälar 25 is a 10m (30feet) sailboat class and built in about 65 copies.
The Mälar 25 designed by Erik Nilsson won a design competition hosted by Mälarens Seglarförbund in 1948. The Mälar 25 was a response to the more and more expensive yachts built according to the Skerry cruiser rule.