Stand-up paddle

Gong, 2026

SUP Inflatable I-SUP Race Flat Water 18’ 2026

5486mm long · 18'0"

660mm wide

152mm thick

380litres

Open in Studio See it on gong-galaxy.com

Sizes & Numbers

Listed by the brand, read off a photo, or worked out: where every number comes from

In one line

Longer and leaner than most. A pin tail, a pointed nose and curvy rails.

derived · against the 157 other sup boards in the atlas, read off the outlines.

As listed by Gong

Gong SUP Inflatable I-SUP Race Flat Water 18’ 2026: every size as listed by Gong
sizelengthwidththicknessweight
380 L548.6cm · 5486 mm660 mm152 mm–
435 L548.6cm · 5486 mm737 mm152 mm–

Every size side by side, tails on one line, one scale

54860 mm5486380 L659 w5486435 L739 w

Next to your board?

Lay the Gong SUP Inflatable I-SUP Race Flat Water 18’ 380 L over up to four others, at one scale.

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Shape & Rocker

From above, then from the side, true scale · the chosen size solid, the others dashed

Gong SUP Inflatable I-SUP Race Flat Water 18’ 2026 from above and from the side, every size at true scale, tails aligned
Gong SUP Inflatable I-SUP Race Flat Water 18’ 2026 from the side, true proportions: the bottom's rocker over a flat table, every size

Read off the 380 L outline · derived

52 %wide point, 2829 mm from the tail

8.32length over width

240mm wide 12″ from the tail

27,076cm² of planform

Read off the 435 L outline · derived

53 %wide point, 2892 mm from the tail

7.42length over width

257mm wide 12″ from the tail

30,089cm² of planform

Rocker of the 380 L · measured

85 mmtail rocker, at the tip
52 mm12″ from the tail
49 mm12″ from the nose
99 mmnose rocker, at the tip
923 mmflat to within 3 mm, from 50 % to 67 % of the length
59 %of the length to the lowest point, from the tail
164 mmat its thickest, 26 % from the tail · on the photo; Gong lists 152 mm
60 mmlonger along the bottom curve than flat

Lay this rocker over other boards

Rocker of the 435 L · scaled from the 380 L measured

85 mmtail rocker, at the tip
52 mm12″ from the tail
49 mm12″ from the nose
99 mmnose rocker, at the tip
923 mmflat to within 3 mm, from 50 % to 67 % of the length
59 %of the length to the lowest point, from the tail
164 mmat its thickest, 26 % from the tail
60 mmlonger along the bottom curve than flat

Lay this rocker over other boards

True proportions · dots at 10 mm and 12″ in from each tip · bracket: flat to within 3 mm · Measured on Gong's photo of the 380 L. Tail end set by Gong's photo convention, not checked by a person.

Reviews & Videos

Original pages · 1

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Closest outlines from other models, once stretched to one length and width · derived