How it surfs
Retailer Catalyst Surf frame it as a board for "someone who wants more board" — either a shortboarder chasing wave count, or a funboard/longboard rider who wants more performance in a mid-length package.
Community reviews on Boardcave Australia for the Crowd Killer Round C4 sit at 5 out of 5, though from only two rider reviews — a small sample worth treating as directional rather than definitive.
Volume & sizing chart
Use the chart below as a starting point. Add half a litre if you are less experienced, subtract half a litre for a looser feel.
| Size | Volume | Rider weight | Best for |
|---|---|---|---|
| 6'4" | 36.75 L | 65–75 kg | Advanced |
| 6'8" | 41.5 L | 75–85 kg | Intermediate |
| 7'0" | 46.25 L | 82–92 kg | Intermediate |
| 7'4" | 51.5 L | 90–100 kg | Improver |
| 7'8" | 57.5 L | 100–110 kg | Improver |
| 8'2" | 67.25 L | 110 kg + | Improver |
How it compares
| Board | Best at | Wave range | Aggregate score |
|---|---|---|---|
| …Lost Crowd Killer | Performance mid-length | Ankle to overhead | 9.0 |
| Channel Islands CI Mid | Egg-inspired mid-length | 2 ft to 8 ft | 9.2 |
| Harley Ingleby Mid 6 | Performance mid-length | Waist to overhead | 9.2 |
| McTavish Fireball Evo | Retro mid-length | Knee to head-high | 6.6 |
Recommended fin setups
- Thruster (large) — The default — most drive and pivot for turning the board properly.
- Quad — Fastest configuration down the line in walled-up surf.
- Keel quad or twin+1 — Looser, more glidey feel for small, soft days.
Verdict
The mid-length for surfers who refuse to slow down. The Crowd Killer catches everything and still turns, and the five-box layout means you can retune it as your local waves change.
Estimated score: 9.0 / 10
Estimated from 3 independent sources — see full list below.