Il regolamento è questo, io non la trovo una tale regola.
Section 4.02 WETSUIT RULES
(a) For age-group athletes, relay team athletes and Open Division athletes, wetsuits
may be worn in water temperature up to and including 24.5 degrees C/76.1 degrees
F (DSQ) (*Please note: If the water temperature is above 24.5 degrees C/76.1 degrees
F (but is less than or equal to 28.8 degrees C/83.8 degrees F) then, with respect to
certain Events (e.g., Events sanctioned by USA Triathlon (“USAT”)), IRONMAN may,
in its sole discretion, allow age-group athletes to wear wetsuits and participate in a
separate non-competitive wetsuit wave/division, provided, however, that such
athletes participating in the designated non-competitive wetsuit wave/division will
not be eligible for age-group awards including, without limitation, IRONMAN World
Championship slots or IRONMAN 70.3 World Championship slots);
(b) The use of wetsuits is prohibited in water temperatures greater than 28.8 degrees C/83.8 degrees F;
(c) For professional athletes, wetsuits may be worn in water temperatures up to and
including 21.9 degrees C/71.5 degrees F; (DSQ)
(d) A wetsuit may cover any part of the body except the face, hands, and feet;
(e) A race kit may be worn underneath the wetsuit;
(f) A neoprene swim cap may be worn when wetsuits are allowed. If a neoprene swim
cap is worn, the official swim cap issued by the Race Officials must be worn on the
outside at all times during the swim segment;
(g) The thickness of the wetsuit may not exceed 5mm. If the wetsuit consists of two or
more pieces then the combined thickness of the overlapping pieces may not exceed
5 mm; (DSQ)
(h) The most external part of the wetsuit will fit to the athlete’s body tightly while they
are swimming; (DSQ) and
(i) Wetsuits are mandatory for professional athletes and age-group athletes for water
temperatures below 16 degrees C/60.8 degrees F. (DSQ)
