Gong, 2025

SUP Foil Intruder EPS Pro 2025

2743mm long · 9'0"

440mm wide

140mm thick

109litres

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 medium nose and curvy rails.

derived · against the 47 other sup foil boards in the atlas, read off the outlines.

As listed by Gong

Gong SUP Foil Intruder EPS Pro 2025: every size as listed by Gong
size	length	width	thickness	weight
99 L	259.1cm · 2591 mm	430 mm	137 mm	–
109 L	274.3cm · 2743 mm	440 mm	140 mm	–
119 L	281.9cm · 2819 mm	449 mm	145 mm	–
129 L	289.6cm · 2896 mm	460 mm	151 mm	–

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

Next to your board?

Lay the Gong SUP Foil Intruder EPS Pro 109 L over up to four others, at one scale.

Compare with…

Shape & Rocker

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

Read off the 99 L outline · derived

55 %wide point, 1415 mm from the tail

5.97length over width

234mm wide 12″ from the tail

8,518cm² of planform

Read off the 109 L outline · derived

55 %wide point, 1504 mm from the tail

6.40length over width

228mm wide 12″ from the tail

8,984cm² of planform

Read off the 119 L outline · derived

55 %wide point, 1545 mm from the tail

6.27length over width

235mm wide 12″ from the tail

9,674cm² of planform

Read off the 129 L outline · derived

53 %wide point, 1536 mm from the tail

6.38length over width

233mm wide 12″ from the tail

10,036cm² of planform

Rocker of the 99 L · scaled from the 109 L measured

83 mmtail rocker, at the tip

27 mm12″ from the tail

40 mm12″ from the nose

121 mmnose rocker, at the tip

722 mmflat to within 3 mm, from 36 % to 64 % of the length

50 %of the length to the lowest point, from the tail

139 mmat its thickest, 54 % from the tail

31 mmlonger along the bottom curve than flat

Lay this rocker over other boards

Rocker of the 109 L · measured

88 mmtail rocker, at the tip

30 mm12″ from the tail

45 mm12″ from the nose

129 mmnose rocker, at the tip

740 mmflat to within 3 mm, from 37 % to 64 % of the length

50 %of the length to the lowest point, from the tail

142 mmat its thickest, 54 % from the tail

33 mmlonger along the bottom curve than flat

Lay this rocker over other boards

Rocker of the 119 L · scaled from the 109 L measured

91 mmtail rocker, at the tip

32 mm12″ from the tail

48 mm12″ from the nose

132 mmnose rocker, at the tip

749 mmflat to within 3 mm, from 37 % to 64 % of the length

50 %of the length to the lowest point, from the tail

147 mmat its thickest, 54 % from the tail

34 mmlonger along the bottom curve than flat

Lay this rocker over other boards

Rocker of the 129 L · scaled from the 109 L measured

94 mmtail rocker, at the tip

34 mm12″ from the tail

50 mm12″ from the nose

136 mmnose rocker, at the tip

758 mmflat to within 3 mm, from 37 % to 64 % of the length

50 %of the length to the lowest point, from the tail

154 mmat its thickest, 54 % from the tail

35 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 109 L. Tail end set by Gong's photo convention, not checked by a person.