Hull Speed
The theoretical displacement-mode speed limit — determined by waterline length, not engine or sail power.
6.0 kts
A displacement hull pushes a bow wave whose speed is limited by the waterline length.
With a waterline of 20.0′, the Mark 25 tops out around 6.0 knots in displacement mode — after that, the bow wave outruns the hull and resistance climbs steeply.
1.34 × √20.0′ LWL = 6.0 kts
Performance Ratios
Racing handicap, sail-carrying power, stability and comfort — and what each one actually tells you about a day on the water.
PHRF Rating
216s/nm
Heavy or slow cruiser — all about the journey, not the elapsed time.
Ballast / Displacement
43.1%
Stiff enough to carry a big genoa comfortably into moderate breeze.
Displacement / Length
230
Moderate — a good balance of speed and load-carrying ability.
Hull Speed
6.0kts
Pounds/Inch Immersion
4lbs
Weight needed to sink the hull one inch — loading sensitivity.
PHRF Fleet Position
Where the Mark 25 sits on the PHRF handicap spectrum — lower numbers mean faster boats.
Capri 25 Catalina
Santana 525
Mark 25
Heavy or slow cruiser — all about the journey, not the elapsed time.
Seidelmann 25
How It Compares
Side-by-side with the boats most often cross-shopped against the Mark 25.
| Mark 25 | Capri 25 Catalina | First 25 Beneteau | Santana 525 | Seidelmann 25 | Tanzer 75 | |
|---|---|---|---|---|---|---|
| Dimensions | ||||||
| LOA | 24.6 | 24.6 | 24.6 | 24.6 | 24.6 | 24.6 |
| LWL | 20.0 | 19.2 | 21.8 | 18.5 | 20.0 | 21.8 |
| Beam | 9.3 | 9.2 | 9.2 | 9.3 | 9.5 | 8.0 |
| Displacement | 4 | 2 | 3 | 2 | 4 | 3 |
| Ballast | 1 | 900 | 1 | 950 | 2 | 1 |
| Sail Area | — | 276 | 282 | 261 | 281 | 236 |
| Performance | ||||||
| PHRF | 216 | 174 | — | 189 | 217 | — |
| SA/Disp | — | 21.5 | 18.1 | 23.4 | 16.3 | 15.6 |
| Bal/Disp | 43.1 | 30.5 | — | 39.6 | 47.8 | 42.1 |
| Comfort | — | 11.5 | 14.1 | 9.3 | 16.6 | 16.2 |
| Capsize | — | 2.56 | 2.33 | 2.79 | 2.29 | 2.05 |
| Hull Speed | — | 5.9 | 6.3 | 5.8 | 6.0 | 6.3 |